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author | Tom Rix <trix@redhat.com> | 2020-08-20 06:19:32 -0700 |
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committer | Guenter Roeck <linux@roeck-us.net> | 2020-08-21 11:32:34 -0700 |
commit | cecf7560f00a8419396a2ed0f6e5d245ccb4feac (patch) | |
tree | 4ea85106d15e6de790e06c027528a0c646c33f27 /crypto/wp512.c | |
parent | 8aebbbb2d573d0b4afc08b90ac7d73dba2d9da97 (diff) | |
download | linux-cecf7560f00a8419396a2ed0f6e5d245ccb4feac.tar.gz linux-cecf7560f00a8419396a2ed0f6e5d245ccb4feac.tar.bz2 linux-cecf7560f00a8419396a2ed0f6e5d245ccb4feac.zip |
hwmon: (applesmc) check status earlier.
clang static analysis reports this representative problem
applesmc.c:758:10: warning: 1st function call argument is an
uninitialized value
left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
buffer is filled by the earlier call
ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, ...
This problem is reported because a goto skips the status check.
Other similar problems use data from applesmc_read_key before checking
the status. So move the checks to before the use.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Henrik Rydberg <rydberg@bitmath.org>
Link: https://lore.kernel.org/r/20200820131932.10590-1-trix@redhat.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'crypto/wp512.c')
0 files changed, 0 insertions, 0 deletions