Commit 8e9a2beb authored Apr 08, 2016 by Alexander Shishkin

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>

parent e2ea295b

drivers/hwtracing/intel_th/msu.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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)