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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-02-06 13:27:43 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-03-27 00:32:19 +0100
commitbcb1d238716d138c9e16347fc32b3c1ae006339e (patch)
treeccb7a9aea7b77481fa3474124218521e0c32de82 /drivers/mtd/chips/cfi_cmdset_0001.c
parent0dd5235f51fb0eb0b8cef3fed35be39b8a06d7bd (diff)
downloadop-kernel-dev-bcb1d238716d138c9e16347fc32b3c1ae006339e.zip
op-kernel-dev-bcb1d238716d138c9e16347fc32b3c1ae006339e.tar.gz
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_0001.c')
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index dc66df6..2d96690 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -1566,9 +1566,6 @@ static int cfi_intelext_write_words (struct mtd_info *mtd, loff_t to , size_t le
int chipnum;
unsigned long ofs;
- if (!len)
- return 0;
-
chipnum = to >> cfi->chipshift;
ofs = to - (chipnum << cfi->chipshift);
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