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| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-03-07 17:04:45 +0200 |
|---|---|---|
| committer | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-04-08 16:11:58 +0300 |
| commit | f18a9531f6da9aba2920a3a5f166dba5a20592a0 (patch) | |
| tree | 4e88611c1a4817d6d7a6dc81ef57e79527d18e08 /drivers/hwtracing/intel_th/msu.c | |
| parent | e8644e4c2aa5c52c357f63af9cc17ef5dce38396 (diff) | |
| download | kernel_replicant_linux-f18a9531f6da9aba2920a3a5f166dba5a20592a0.tar.gz kernel_replicant_linux-f18a9531f6da9aba2920a3a5f166dba5a20592a0.tar.bz2 kernel_replicant_linux-f18a9531f6da9aba2920a3a5f166dba5a20592a0.zip | |
intel_th: Fix activating a subdevice without a driver
If output subdevice driver is not loaded, activating it will try to
call its ->activate method and crash. Fix this by explicitly checking
for the driver.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Laurent Fert <laurent.fert@intel.com>
Diffstat (limited to 'drivers/hwtracing/intel_th/msu.c')
0 files changed, 0 insertions, 0 deletions