mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-09 16:07:17 -04:00
Code Issues Packages Projects Releases Wiki Activity

greybus: kill gbuf->kref

Browse Source 
Since there is only ever one reference to a gbuf, we don't need a
kref to figure out when it can be freed.  Get rid of the kref and
its supporting code.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Alex Elder
2014-11-17 18:08:29 -06:00
committed by Greg Kroah-Hartman
parent 6e5dd0bbbb
commit 2f528c8bf7
2 changed files with 1 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/staging/greybus/gbuf.c
View File

@@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/kref.h>
#include <linux/device.h>
#include <linux/slab.h>
@@ -46,7 +45,6 @@ struct gbuf *greybus_alloc_gbuf(struct greybus_host_device *hd,
if (!gbuf)
return NULL;
kref_init(&gbuf->kref);
gbuf->hd = hd;
gbuf->dest_cport_id = dest_cport_id;
gbuf->status = -EBADR; /* Initial value--means "never set" */
@@ -62,20 +60,12 @@ struct gbuf *greybus_alloc_gbuf(struct greybus_host_device *hd,
}
EXPORT_SYMBOL_GPL(greybus_alloc_gbuf);
static void free_gbuf(struct kref *kref)
void greybus_free_gbuf(struct gbuf *gbuf)
{
struct gbuf *gbuf = container_of(kref, struct gbuf, kref);
gbuf->hd->driver->free_gbuf_data(gbuf);
kmem_cache_free(gbuf_head_cache, gbuf);
}
void greybus_free_gbuf(struct gbuf *gbuf)
{
/* drop the reference count and get out of here */
kref_put(&gbuf->kref, free_gbuf);
}
EXPORT_SYMBOL_GPL(greybus_free_gbuf);
int greybus_submit_gbuf(struct gbuf *gbuf, gfp_t gfp_mask)

2
drivers/staging/greybus/greybus.h
View File

@@ -119,8 +119,6 @@
*/
struct gbuf {
struct kref kref;
struct greybus_host_device *hd;
u16 dest_cport_id; /* Destination CPort id */
int status;