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authorAlexander Shishkin <alexander.shishkin@linux.intel.com>2016-04-08 17:36:04 +0300
committerAlexander Shishkin <alexander.shishkin@linux.intel.com>2016-04-08 17:43:34 +0300
commit8e9a2beb5f991916e530184957c4137fab14604c (patch)
treee07d9f0617bf95741aa7dd131164eb9f2295d44e /drivers/hwtracing/intel_th
parente2ea295baf87d78f2ed86ce595b30c691b18b210 (diff)
downloadlinux-8e9a2beb5f991916e530184957c4137fab14604c.tar.xz
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>
Diffstat (limited to 'drivers/hwtracing/intel_th')
-rw-r--r--drivers/hwtracing/intel_th/msu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index ee153067e136..bcc3b4713377 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -1253,6 +1253,7 @@ static const struct file_operations intel_th_msc_fops = {
.read = intel_th_msc_read,
.mmap = intel_th_msc_mmap,
.llseek = no_llseek,
+ .owner = THIS_MODULE,
};
static int intel_th_msc_init(struct msc *msc)