mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-06 07:34:03 -04:00
Code Issues Packages Projects Releases Wiki Activity

staging/lustre/lmv: Adjust NULL comparison codestyle

Browse Source 
All instances of "x == NULL" are changed to "!x" and
"x != NULL" to "x"

Also remove some redundant assertions.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Drokin
2016-02-16 00:46:48 -05:00
committed by Greg Kroah-Hartman
parent 44b53f18ca
commit 2cbdaa4538
4 changed files with 61 additions and 75 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/staging/lustre/lustre/lmv/lmv_intent.c
View File

@@ -69,7 +69,7 @@ static int lmv_intent_remote(struct obd_export *exp, void *lmm,
int rc = 0;
body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY);
if (body == NULL)
if (!body)
return -EPROTO;
LASSERT((body->valid & OBD_MD_MDS));
@@ -107,7 +107,7 @@ static int lmv_intent_remote(struct obd_export *exp, void *lmm,
op_data->op_fid1 = body->fid1;
/* Sent the parent FID to the remote MDT */
if (parent_fid != NULL) {
if (parent_fid) {
/* The parent fid is only for remote open to
* check whether the open is from OBF,
* see mdt_cross_open */
@@ -204,7 +204,7 @@ static int lmv_intent_open(struct obd_export *exp, struct md_op_data *op_data,
return rc;
body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY);
if (body == NULL)
if (!body)
return -EPROTO;
/*
* Not cross-ref case, just get out of here.
@@ -270,7 +270,7 @@ static int lmv_intent_lookup(struct obd_export *exp,
rc = md_intent_lock(tgt->ltd_exp, op_data, lmm, lmmsize, it,
flags, reqp, cb_blocking, extra_lock_flags);
if (rc < 0 || *reqp == NULL)
if (rc < 0 || !*reqp)
return rc;
/*
@@ -278,7 +278,7 @@ static int lmv_intent_lookup(struct obd_export *exp,
* remote inode. Let's check this.
*/
body = req_capsule_server_get(&(*reqp)->rq_pill, &RMF_MDT_BODY);
if (body == NULL)
if (!body)
return -EPROTO;
/* Not cross-ref case, just get out of here. */
if (likely(!(body->valid & OBD_MD_MDS)))
@@ -299,7 +299,6 @@ int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data,
struct obd_device *obd = exp->exp_obd;
int rc;
LASSERT(it != NULL);
LASSERT(fid_is_sane(&op_data->op_fid1));
CDEBUG(D_INODE, "INTENT LOCK '%s' for '%*s' on "DFID"\n",

6
drivers/staging/lustre/lustre/lmv/lmv_internal.h
View File

@@ -66,7 +66,7 @@ static inline struct lmv_stripe_md *lmv_get_mea(struct ptlrpc_request *req)
struct mdt_body *body;
struct lmv_stripe_md *mea;
LASSERT(req != NULL);
LASSERT(req);
body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
@@ -75,8 +75,6 @@ static inline struct lmv_stripe_md *lmv_get_mea(struct ptlrpc_request *req)
mea = req_capsule_server_sized_get(&req->rq_pill, &RMF_MDT_MD,
body->eadatasize);
LASSERT(mea != NULL);
if (mea->mea_count == 0)
return NULL;
if (mea->mea_magic != MEA_MAGIC_LAST_CHAR &&
@@ -101,7 +99,7 @@ lmv_get_target(struct lmv_obd *lmv, u32 mds)
int i;
for (i = 0; i < count; i++) {
if (lmv->tgts[i] == NULL)
if (!lmv->tgts[i])
continue;
if (lmv->tgts[i]->ltd_idx == mds)

115
drivers/staging/lustre/lustre/lmv/lmv_obd.c
View File

@@ -88,7 +88,7 @@ static int lmv_set_mdc_active(struct lmv_obd *lmv, struct obd_uuid *uuid,
spin_lock(&lmv->lmv_lock);
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
tgt = lmv->tgts[i];
if (tgt == NULL || tgt->ltd_exp == NULL)
if (!tgt || !tgt->ltd_exp)
continue;
CDEBUG(D_INFO, "Target idx %d is %s conn %#llx\n", i,
@@ -104,7 +104,7 @@ static int lmv_set_mdc_active(struct lmv_obd *lmv, struct obd_uuid *uuid,
}
obd = class_exp2obd(tgt->ltd_exp);
if (obd == NULL) {
if (!obd) {
rc = -ENOTCONN;
goto out_lmv_lock;
}
@@ -262,7 +262,7 @@ static void lmv_set_timeouts(struct obd_device *obd)
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
tgt = lmv->tgts[i];
if (tgt == NULL || tgt->ltd_exp == NULL || tgt->ltd_active == 0)
if (!tgt || !tgt->ltd_exp || tgt->ltd_active == 0)
continue;
obd_set_info_async(NULL, tgt->ltd_exp, sizeof(KEY_INTERMDS),
@@ -302,8 +302,7 @@ static int lmv_init_ea_size(struct obd_export *exp, int easize,
return 0;
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL ||
lmv->tgts[i]->ltd_exp == NULL ||
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp ||
lmv->tgts[i]->ltd_active == 0) {
CWARN("%s: NULL export for %d\n", obd->obd_name, i);
continue;
@@ -410,7 +409,7 @@ static int lmv_connect_mdc(struct obd_device *obd, struct lmv_tgt_desc *tgt)
static void lmv_del_target(struct lmv_obd *lmv, int index)
{
if (lmv->tgts[index] == NULL)
if (!lmv->tgts[index])
return;
kfree(lmv->tgts[index]);
@@ -442,7 +441,7 @@ static int lmv_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
}
}
if ((index < lmv->tgts_size) && (lmv->tgts[index] != NULL)) {
if ((index < lmv->tgts_size) && lmv->tgts[index]) {
tgt = lmv->tgts[index];
CERROR("%s: UUID %s already assigned at LOV target index %d: rc = %d\n",
obd->obd_name,
@@ -460,7 +459,7 @@ static int lmv_add_target(struct obd_device *obd, struct obd_uuid *uuidp,
while (newsize < index + 1)
newsize <<= 1;
newtgts = kcalloc(newsize, sizeof(*newtgts), GFP_NOFS);
if (newtgts == NULL) {
if (!newtgts) {
lmv_init_unlock(lmv);
return -ENOMEM;
}
@@ -539,11 +538,9 @@ int lmv_check_connect(struct obd_device *obd)
CDEBUG(D_CONFIG, "Time to connect %s to %s\n",
lmv->cluuid.uuid, obd->obd_name);
LASSERT(lmv->tgts != NULL);
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
tgt = lmv->tgts[i];
if (tgt == NULL)
if (!tgt)
continue;
rc = lmv_connect_mdc(obd, tgt);
if (rc)
@@ -563,7 +560,7 @@ int lmv_check_connect(struct obd_device *obd)
int rc2;
tgt = lmv->tgts[i];
if (tgt == NULL)
if (!tgt)
continue;
tgt->ltd_active = 0;
if (tgt->ltd_exp) {
@@ -586,9 +583,6 @@ static int lmv_disconnect_mdc(struct obd_device *obd, struct lmv_tgt_desc *tgt)
struct obd_device *mdc_obd;
int rc;
LASSERT(tgt != NULL);
LASSERT(obd != NULL);
mdc_obd = class_exp2obd(tgt->ltd_exp);
if (mdc_obd) {
@@ -641,7 +635,7 @@ static int lmv_disconnect(struct obd_export *exp)
goto out_local;
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL || lmv->tgts[i]->ltd_exp == NULL)
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp)
continue;
lmv_disconnect_mdc(obd, lmv->tgts[i]);
@@ -686,7 +680,7 @@ static int lmv_fid2path(struct obd_export *exp, int len, void *karg,
/* If remote_gf != NULL, it means just building the
* path on the remote MDT, copy this path segment to gf */
if (remote_gf != NULL) {
if (remote_gf) {
struct getinfo_fid2path *ori_gf;
char *ptr;
@@ -716,7 +710,7 @@ static int lmv_fid2path(struct obd_export *exp, int len, void *karg,
goto out_fid2path;
/* sigh, has to go to another MDT to do path building further */
if (remote_gf == NULL) {
if (!remote_gf) {
remote_gf_size = sizeof(*remote_gf) + PATH_MAX;
remote_gf = kzalloc(remote_gf_size, GFP_NOFS);
if (!remote_gf) {
@@ -901,8 +895,7 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
if (index >= count)
return -ENODEV;
if (lmv->tgts[index] == NULL ||
lmv->tgts[index]->ltd_active == 0)
if (!lmv->tgts[index] || lmv->tgts[index]->ltd_active == 0)
return -ENODATA;
mdc_obd = class_exp2obd(lmv->tgts[index]->ltd_exp);
@@ -936,18 +929,18 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
return -EINVAL;
tgt = lmv->tgts[qctl->qc_idx];
if (tgt == NULL || tgt->ltd_exp == NULL)
if (!tgt || !tgt->ltd_exp)
return -EINVAL;
} else if (qctl->qc_valid == QC_UUID) {
for (i = 0; i < count; i++) {
tgt = lmv->tgts[i];
if (tgt == NULL)
if (!tgt)
continue;
if (!obd_uuid_equals(&tgt->ltd_uuid,
&qctl->obd_uuid))
continue;
if (tgt->ltd_exp == NULL)
if (!tgt->ltd_exp)
return -EINVAL;
break;
@@ -981,8 +974,8 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
if (icc->icc_mdtindex >= count)
return -ENODEV;
if (lmv->tgts[icc->icc_mdtindex] == NULL ||
lmv->tgts[icc->icc_mdtindex]->ltd_exp == NULL ||
if (!lmv->tgts[icc->icc_mdtindex] ||
!lmv->tgts[icc->icc_mdtindex]->ltd_exp ||
lmv->tgts[icc->icc_mdtindex]->ltd_active == 0)
return -ENODEV;
rc = obd_iocontrol(cmd, lmv->tgts[icc->icc_mdtindex]->ltd_exp,
@@ -990,7 +983,7 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
break;
}
case LL_IOC_GET_CONNECT_FLAGS: {
if (lmv->tgts[0] == NULL)
if (!lmv->tgts[0])
return -ENODATA;
rc = obd_iocontrol(cmd, lmv->tgts[0]->ltd_exp, len, karg, uarg);
break;
@@ -1007,10 +1000,10 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
tgt = lmv_find_target(lmv, &op_data->op_fid1);
if (IS_ERR(tgt))
return PTR_ERR(tgt);
return PTR_ERR(tgt);
if (tgt->ltd_exp == NULL)
return -EINVAL;
if (!tgt->ltd_exp)
return -EINVAL;
rc = obd_iocontrol(cmd, tgt->ltd_exp, len, karg, uarg);
break;
@@ -1058,7 +1051,7 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
hur_user_item[nr])
+ hur->hur_request.hr_data_len;
req = libcfs_kvzalloc(reqlen, GFP_NOFS);
if (req == NULL)
if (!req)
return -ENOMEM;
lmv_hsm_req_build(lmv, hur, lmv->tgts[i], req);
@@ -1084,7 +1077,7 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
if (IS_ERR(tgt2))
return PTR_ERR(tgt2);
if ((tgt1->ltd_exp == NULL) || (tgt2->ltd_exp == NULL))
if (!tgt1->ltd_exp || !tgt2->ltd_exp)
return -EINVAL;
/* only files on same MDT can have their layouts swapped */
@@ -1108,8 +1101,7 @@ static int lmv_iocontrol(unsigned int cmd, struct obd_export *exp,
struct obd_device *mdc_obd;
int err;
if (lmv->tgts[i] == NULL ||
lmv->tgts[i]->ltd_exp == NULL)
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp)
continue;
/* ll_umount_begin() sets force flag but for lmv, not
* mdc. Let's pass it through */
@@ -1189,7 +1181,7 @@ static int lmv_placement_policy(struct obd_device *obd,
{
struct lmv_obd *lmv = &obd->u.lmv;
LASSERT(mds != NULL);
LASSERT(mds);
if (lmv->desc.ld_tgt_count == 1) {
*mds = 0;
@@ -1239,7 +1231,7 @@ int __lmv_fid_alloc(struct lmv_obd *lmv, struct lu_fid *fid, u32 mds)
*/
mutex_lock(&tgt->ltd_fid_mutex);
if (tgt->ltd_active == 0 || tgt->ltd_exp == NULL) {
if (tgt->ltd_active == 0 || !tgt->ltd_exp) {
rc = -ENODEV;
goto out;
}
@@ -1266,8 +1258,8 @@ int lmv_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
u32 mds = 0;
int rc;
LASSERT(op_data != NULL);
LASSERT(fid != NULL);
LASSERT(op_data);
LASSERT(fid);
rc = lmv_placement_policy(obd, op_data, &mds);
if (rc) {
@@ -1305,7 +1297,7 @@ static int lmv_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
}
lmv->tgts = kcalloc(32, sizeof(*lmv->tgts), GFP_NOFS);
if (lmv->tgts == NULL)
if (!lmv->tgts)
return -ENOMEM;
lmv->tgts_size = 32;
@@ -1346,11 +1338,11 @@ static int lmv_cleanup(struct obd_device *obd)
struct lmv_obd *lmv = &obd->u.lmv;
fld_client_fini(&lmv->lmv_fld);
if (lmv->tgts != NULL) {
if (lmv->tgts) {
int i;
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL)
if (!lmv->tgts[i])
continue;
lmv_del_target(lmv, i);
}
@@ -1416,7 +1408,7 @@ static int lmv_statfs(const struct lu_env *env, struct obd_export *exp,
return -ENOMEM;
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL || lmv->tgts[i]->ltd_exp == NULL)
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp)
continue;
rc = obd_statfs(env, lmv->tgts[i]->ltd_exp, temp,
@@ -1561,7 +1553,7 @@ static int lmv_null_inode(struct obd_export *exp, const struct lu_fid *fid)
* space of MDT storing inode.
*/
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL || lmv->tgts[i]->ltd_exp == NULL)
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp)
continue;
md_null_inode(lmv->tgts[i]->ltd_exp, fid);
}
@@ -1589,7 +1581,7 @@ static int lmv_find_cbdata(struct obd_export *exp, const struct lu_fid *fid,
* space of MDT storing inode.
*/
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL || lmv->tgts[i]->ltd_exp == NULL)
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp)
continue;
rc = md_find_cbdata(lmv->tgts[i]->ltd_exp, fid, it, data);
if (rc)
@@ -1669,7 +1661,7 @@ static int lmv_create(struct obd_export *exp, struct md_op_data *op_data,
cap_effective, rdev, request);
if (rc == 0) {
if (*request == NULL)
if (!*request)
return rc;
CDEBUG(D_INODE, "Created - "DFID"\n", PFID(&op_data->op_fid2));
}
@@ -1715,7 +1707,6 @@ lmv_enqueue_remote(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
int pmode;
body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
LASSERT(body != NULL);
if (!(body->valid & OBD_MD_MDS))
return 0;
@@ -1822,7 +1813,6 @@ lmv_getattr_name(struct obd_export *exp, struct md_op_data *op_data,
body = req_capsule_server_get(&(*request)->rq_pill,
&RMF_MDT_BODY);
LASSERT(body != NULL);
if (body->valid & OBD_MD_MDS) {
struct lu_fid rid = body->fid1;
@@ -2111,7 +2101,7 @@ static void lmv_adjust_dirpages(struct page **pages, int ncfspgs, int nlupgs)
while (--nlupgs > 0) {
ent = lu_dirent_start(dp);
for (end_dirent = ent; ent != NULL;
for (end_dirent = ent; ent;
end_dirent = ent, ent = lu_dirent_next(ent))
;
@@ -2241,7 +2231,7 @@ static int lmv_unlink(struct obd_export *exp, struct md_op_data *op_data,
return rc;
body = req_capsule_server_get(&(*request)->rq_pill, &RMF_MDT_BODY);
if (body == NULL)
if (!body)
return -EPROTO;
/* Not cross-ref case, just get out of here. */
@@ -2305,7 +2295,7 @@ static int lmv_get_info(const struct lu_env *env, struct obd_export *exp,
int rc = 0;
obd = class_exp2obd(exp);
if (obd == NULL) {
if (!obd) {
CDEBUG(D_IOCTL, "Invalid client cookie %#llx\n",
exp->exp_handle.h_cookie);
return -EINVAL;
@@ -2326,7 +2316,7 @@ static int lmv_get_info(const struct lu_env *env, struct obd_export *exp,
/*
* All tgts should be connected when this gets called.
*/
if (tgt == NULL || tgt->ltd_exp == NULL)
if (!tgt || !tgt->ltd_exp)
continue;
if (!obd_get_info(env, tgt->ltd_exp, keylen, key,
@@ -2369,7 +2359,7 @@ static int lmv_set_info_async(const struct lu_env *env, struct obd_export *exp,
int rc = 0;
obd = class_exp2obd(exp);
if (obd == NULL) {
if (!obd) {
CDEBUG(D_IOCTL, "Invalid client cookie %#llx\n",
exp->exp_handle.h_cookie);
return -EINVAL;
@@ -2382,7 +2372,7 @@ static int lmv_set_info_async(const struct lu_env *env, struct obd_export *exp,
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
tgt = lmv->tgts[i];
if (tgt == NULL || tgt->ltd_exp == NULL)
if (!tgt || !tgt->ltd_exp)
continue;
err = obd_set_info_async(env, tgt->ltd_exp,
@@ -2417,9 +2407,9 @@ static int lmv_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
return 0;
}
if (*lmmp == NULL) {
if (!*lmmp) {
*lmmp = libcfs_kvzalloc(mea_size, GFP_NOFS);
if (*lmmp == NULL)
if (!*lmmp)
return -ENOMEM;
}
@@ -2457,10 +2447,10 @@ static int lmv_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
__u32 magic;
mea_size = lmv_get_easize(lmv);
if (lsmp == NULL)
if (!lsmp)
return mea_size;
if (*lsmp != NULL && lmm == NULL) {
if (*lsmp && !lmm) {
kvfree(*tmea);
*lsmp = NULL;
return 0;
@@ -2469,7 +2459,7 @@ static int lmv_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
LASSERT(mea_size == lmm_size);
*tmea = libcfs_kvzalloc(mea_size, GFP_NOFS);
if (*tmea == NULL)
if (!*tmea)
return -ENOMEM;
if (!lmm)
@@ -2508,10 +2498,10 @@ static int lmv_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
int err;
int i;
LASSERT(fid != NULL);
LASSERT(fid);
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL || lmv->tgts[i]->ltd_exp == NULL ||
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp ||
lmv->tgts[i]->ltd_active == 0)
continue;
@@ -2552,8 +2542,7 @@ static ldlm_mode_t lmv_lock_match(struct obd_export *exp, __u64 flags,
* one fid was created in.
*/
for (i = 0; i < lmv->desc.ld_tgt_count; i++) {
if (lmv->tgts[i] == NULL ||
lmv->tgts[i]->ltd_exp == NULL ||
if (!lmv->tgts[i] || !lmv->tgts[i]->ltd_exp ||
lmv->tgts[i]->ltd_active == 0)
continue;
@@ -2709,7 +2698,7 @@ static int lmv_quotactl(struct obd_device *unused, struct obd_export *exp,
tgt = lmv->tgts[i];
if (tgt == NULL || tgt->ltd_exp == NULL || tgt->ltd_active == 0)
if (!tgt || !tgt->ltd_exp || tgt->ltd_active == 0)
continue;
if (!tgt->ltd_active) {
CDEBUG(D_HA, "mdt %d is inactive.\n", i);
@@ -2744,7 +2733,7 @@ static int lmv_quotacheck(struct obd_device *unused, struct obd_export *exp,
int err;
tgt = lmv->tgts[i];
if (tgt == NULL || tgt->ltd_exp == NULL || !tgt->ltd_active) {
if (!tgt || !tgt->ltd_exp || !tgt->ltd_active) {
CERROR("lmv idx %d inactive\n", i);
return -EIO;
}

4
drivers/staging/lustre/lustre/lmv/lproc_lmv.c
View File

@@ -138,7 +138,7 @@ static int lmv_desc_uuid_seq_show(struct seq_file *m, void *v)
struct obd_device *dev = (struct obd_device *)m->private;
struct lmv_obd *lmv;
LASSERT(dev != NULL);
LASSERT(dev);
lmv = &dev->u.lmv;
seq_printf(m, "%s\n", lmv->desc.ld_uuid.uuid);
return 0;
@@ -171,7 +171,7 @@ static int lmv_tgt_seq_show(struct seq_file *p, void *v)
{
struct lmv_tgt_desc *tgt = v;
if (tgt == NULL)
if (!tgt)
return 0;
seq_printf(p, "%d: %s %sACTIVE\n",
tgt->ltd_idx, tgt->ltd_uuid.uuid,