diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 142c0f9485fe..42001c49833b 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -420,8 +420,9 @@ read_pri_intelext(struct map_info *map, __u16 adr) extra_size = 0; /* Protection Register info */ - extra_size += (extp->NumProtectionFields - 1) * - sizeof(struct cfi_intelext_otpinfo); + if (extp->NumProtectionFields) + extra_size += (extp->NumProtectionFields - 1) * + sizeof(struct cfi_intelext_otpinfo); } if (extp->MinorVersion >= '1') { @@ -695,14 +696,16 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd, */ if (extp && extp->MajorVersion == '1' && extp->MinorVersion >= '3' && extp->FeatureSupport & (1 << 9)) { + int offs = 0; struct cfi_private *newcfi; struct flchip *chip; struct flchip_shared *shared; - int offs, numregions, numparts, partshift, numvirtchips, i, j; + int numregions, numparts, partshift, numvirtchips, i, j; /* Protection Register info */ - offs = (extp->NumProtectionFields - 1) * - sizeof(struct cfi_intelext_otpinfo); + if (extp->NumProtectionFields) + offs = (extp->NumProtectionFields - 1) * + sizeof(struct cfi_intelext_otpinfo); /* Burst Read info */ offs += extp->extra[offs+1]+2; |