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authorArnd Bergmann <arnd@arndb.de>2016-10-18 00:13:35 +0200
committerJonathan Cameron <jic23@kernel.org>2016-10-23 22:18:45 +0100
commit64bc2d02d754f4143d65cc21c644176db12ab5c8 (patch)
treeaf7290a712163984fb3aca7b30df78334c1167e1 /Documentation
parentd1fe85ec7702917f2f1515b4c421d5d4792201a0 (diff)
iio: accel: sca3000_core: avoid potentially uninitialized variable
The newly added __sca3000_get_base_freq function handles all valid modes of the SCA3000_REG_ADDR_MODE register, but gcc notices that any other value (i.e. 0x00) causes the base_freq variable to not get initialized: drivers/staging/iio/accel/sca3000_core.c: In function 'sca3000_write_raw': drivers/staging/iio/accel/sca3000_core.c:527:23: error: 'base_freq' may be used uninitialized in this function [-Werror=maybe-uninitialized] This adds explicit error handling for unexpected register values, to ensure this cannot happen. Fixes: e0f3fc9b47e6 ("iio: accel: sca3000_core: implemented IIO_CHAN_INFO_SAMP_FREQ") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Ico Doornekamp <ico@pruts.nl> Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation')