diff options
| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-02-06 13:27:43 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-03-27 00:32:19 +0100 |
| commit | bcb1d238716d138c9e16347fc32b3c1ae006339e (patch) | |
| tree | ccb7a9aea7b77481fa3474124218521e0c32de82 /drivers/mtd/chips/cfi_cmdset_0002.c | |
| parent | 0dd5235f51fb0eb0b8cef3fed35be39b8a06d7bd (diff) | |
mtd: move zero length verification to MTD API functions
In many places in drivers we verify for the zero length, but this is very
inconsistent across drivers. This is obviously the right thing to do, though.
This patch moves the check to the MTD API functions instead and removes a lot
of duplication.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Reviewed-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/chips/cfi_cmdset_0002.c')
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index a89d899efad4..c1d4624ce6e7 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -1246,9 +1246,6 @@ static int cfi_amdstd_write_words(struct mtd_info *mtd, loff_t to, size_t len, unsigned long ofs, chipstart; DECLARE_WAITQUEUE(wait, current); - if (!len) - return 0; - chipnum = to >> cfi->chipshift; ofs = to - (chipnum << cfi->chipshift); chipstart = cfi->chips[chipnum].start; @@ -1487,9 +1484,6 @@ static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, int chipnum; unsigned long ofs; - if (!len) - return 0; - chipnum = to >> cfi->chipshift; ofs = to - (chipnum << cfi->chipshift); @@ -1697,9 +1691,6 @@ static int cfi_amdstd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, int ret = 0; int chipnum; - if (!len) - return 0; - chipnum = to >> cfi->chipshift; ofs = to - (chipnum << cfi->chipshift); chipstart = cfi->chips[chipnum].start; |