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ASoC: Intel: Skylake: Uninitialized variable in probe_codec()

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My static checker complains that if snd_hdac_bus_get_response() returns
-EIO then "res" is uninitialized.  Fix this by initializing it to -1 so
that the error is handled correctly.

Fixes: d8c2dab838 ("ASoC: Intel: Add Skylake HDA audio driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dan Carpenter 2017-04-20 13:17:02 +03:00 committed by Mark Brown
parent 67e03ff3f3
commit e6a33532af
1 changed files with 1 additions and 1 deletions
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2
sound/soc/intel/skylake/skl.c
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@ -512,7 +512,7 @@ static int probe_codec(struct hdac_ext_bus *ebus, int addr)
struct hdac_bus *bus = ebus_to_hbus(ebus);
unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
(AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
unsigned int res;
unsigned int res = -1;
mutex_lock(&bus->cmd_mutex);
snd_hdac_bus_send_cmd(bus, cmd);