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intel_th: msu: Set fops::owner to prevent module from unloading
authorAlexander Shishkin <alexander.shishkin@linux.intel.com>
Fri, 8 Apr 2016 14:36:04 +0000 (17:36 +0300)
committerAlexander Shishkin <alexander.shishkin@linux.intel.com>
Fri, 8 Apr 2016 14:43:34 +0000 (17:43 +0300)
commit8e9a2beb5f991916e530184957c4137fab14604c
treee07d9f0617bf95741aa7dd131164eb9f2295d44etree | snapshot
parente2ea295baf87d78f2ed86ce595b30c691b18b210commit | diff
intel_th: msu: Set fops::owner to prevent module from unloading

Right now it's possible to unload the msu driver while its character
device is open. Prevent it by setting fops::owner, which will result
in the module reference being held while the device node is open.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Laurent Fert <laurent.fert@intel.com>
drivers/hwtracing/intel_th/msu.c diff | blob | history
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