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/devices/m25p80.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/devices/m25p80.c')
| -rw-r--r-- | drivers/mtd/devices/m25p80.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 45cc4a1ae5b0..1924d247c1cb 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -346,10 +346,6 @@ static int m25p80_read(struct mtd_info *mtd, loff_t from, size_t len, pr_debug("%s: %s from 0x%08x, len %zd\n", dev_name(&flash->spi->dev), __func__, (u32)from, len); - /* sanity checks */ - if (!len) - return 0; - spi_message_init(&m); memset(t, 0, (sizeof t)); @@ -408,10 +404,6 @@ static int m25p80_write(struct mtd_info *mtd, loff_t to, size_t len, pr_debug("%s: %s to 0x%08x, len %zd\n", dev_name(&flash->spi->dev), __func__, (u32)to, len); - /* sanity checks */ - if (!len) - return(0); - spi_message_init(&m); memset(t, 0, (sizeof t)); @@ -495,10 +487,6 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len, pr_debug("%s: %s to 0x%08x, len %zd\n", dev_name(&flash->spi->dev), __func__, (u32)to, len); - /* sanity checks */ - if (!len) - return 0; - spi_message_init(&m); memset(t, 0, (sizeof t)); |