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staging: brcm80211: make use of linux error codes in srom.c

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The source file srom.c used meaningless non-zero numbers to return
upon error conditions. These have been replaced by linux error codes.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Arend van Spriel
2011-06-29 16:46:29 -07:00
committed by Greg Kroah-Hartman
parent fa0ace7fd3
commit 66671fc120
1 changed files with 16 additions and 20 deletions
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36
drivers/staging/brcm80211/brcmsmac/srom.c
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@@ -870,7 +870,7 @@ int srom_var_init(struct si_pub *sih, uint bustype, void *curmap,
if (curmap != NULL && bustype == PCI_BUS)
return initvars_srom_pci(sih, curmap, vars, count);
return -1;
return -EINVAL;
}
/* In chips with chipcommon rev 32 and later, the srom is in chipcommon,
@@ -935,7 +935,7 @@ sprom_read_pci(struct si_pub *sih, u16 *sprom, uint wordoff,
if (sih->ccrev > 31 && ISSIM_ENAB(sih)) {
/* use indirect since direct is too slow on QT */
if ((sih->cccaps & CC_CAP_SROM) == 0)
return 1;
return -ENODEV;
ccregs = (void *)((u8 *) sprom - CC_SROM_OTP);
buf[i] =
@@ -953,7 +953,7 @@ sprom_read_pci(struct si_pub *sih, u16 *sprom, uint wordoff,
/* bypass crc checking for simulation to allow srom hack */
if (ISSIM_ENAB(sih))
return err;
return 0;
if (check_crc) {
@@ -962,7 +962,7 @@ sprom_read_pci(struct si_pub *sih, u16 *sprom, uint wordoff,
* is blank, regardless of the rest of the content, so declare
* it bad.
*/
return 1;
return -ENODATA;
}
/* fixup the endianness so crc8 will pass */
@@ -970,7 +970,7 @@ sprom_read_pci(struct si_pub *sih, u16 *sprom, uint wordoff,
if (brcmu_crc8((u8 *) buf, nwords * 2, CRC8_INIT_VALUE) !=
CRC8_GOOD_VALUE) {
/* DBG only pci always read srom4 first, then srom8/9 */
err = 1;
err = -EIO;
}
/* now correct the endianness of the byte array */
ltoh16_buf(buf, nwords * 2);
@@ -987,7 +987,7 @@ static int otp_read_pci(struct si_pub *sih, u16 *buf, uint bufsz)
otp = kzalloc(OTP_SZ_MAX, GFP_ATOMIC);
if (otp == NULL) {
return -EBADE;
return -ENOMEM;
}
err = otp_read_region(sih, OTP_HW_RGN, (u16 *) otp, &sz);
@@ -1002,14 +1002,14 @@ static int otp_read_pci(struct si_pub *sih, u16 *buf, uint bufsz)
* is blank, regardless of the rest of the content, so declare
* it bad.
*/
return 1;
return -ENODATA;
}
/* fixup the endianness so crc8 will pass */
htol16_buf(buf, bufsz);
if (brcmu_crc8((u8 *) buf, SROM4_WORDS * 2, CRC8_INIT_VALUE) !=
CRC8_GOOD_VALUE) {
err = 1;
err = -EIO;
}
/* now correct the endianness of the byte array */
ltoh16_buf(buf, bufsz);
@@ -1219,13 +1219,12 @@ static int initvars_srom_pci(struct si_pub *sih, void *curmap, char **vars,
*/
srom = kmalloc(SROM_MAX, GFP_ATOMIC);
if (!srom)
return -2;
return -ENOMEM;
sromwindow = (u16 *) SROM_OFFSET(sih);
if (ai_is_sprom_available(sih)) {
err =
sprom_read_pci(sih, sromwindow, 0, srom, SROM_WORDS,
true);
err = sprom_read_pci(sih, sromwindow, 0, srom, SROM_WORDS,
true);
if ((srom[SROM4_SIGN] == SROM4_SIGNATURE) ||
(((sih->buscoretype == PCIE_CORE_ID)
@@ -1233,9 +1232,8 @@ static int initvars_srom_pci(struct si_pub *sih, void *curmap, char **vars,
|| ((sih->buscoretype == PCI_CORE_ID)
&& (sih->buscorerev >= 0xe)))) {
/* sromrev >= 4, read more */
err =
sprom_read_pci(sih, sromwindow, 0, srom,
SROM4_WORDS, true);
err = sprom_read_pci(sih, sromwindow, 0, srom,
SROM4_WORDS, true);
sromrev = srom[SROM4_CRCREV] & 0xff;
} else if (err == 0) {
/* srom is good and is rev < 4 */
@@ -1253,12 +1251,10 @@ static int initvars_srom_pci(struct si_pub *sih, void *curmap, char **vars,
if (err == 0)
/* OTP only contain SROM rev8/rev9 for now */
sromrev = srom[SROM4_CRCREV] & 0xff;
else
err = 1;
}
#else
else
err = 1;
err = -ENODEV;
#endif
if (!err) {
@@ -1267,13 +1263,13 @@ static int initvars_srom_pci(struct si_pub *sih, void *curmap, char **vars,
/* srom version check: Current valid versions: 1, 2, 3, 4, 5, 8, 9 */
if ((sr & 0x33e) == 0) {
err = -2;
err = -EINVAL;
goto errout;
}
base = kmalloc(MAXSZ_NVRAM_VARS, GFP_ATOMIC);
if (!base) {
err = -2;
err = -ENOMEM;
goto errout;
}