Commit f9f7bb9e authored Jan 22, 2019 by Naveen Kumar Parna Committed by Greg Kroah-Hartman Jan 22, 2019

mbcs: add .owner to mbcs struct file_operations



Without ".owner = THIS_MODULE" it is possible to crash the kernel
by unloading the mbcs module while someone works with the file.
Fix this by initializing the ‘struct file_operations' ->owner with
THIS_MODULE.

Signed-off-by: Naveen Kumar Parna <parna.naveenkumar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent ec74136d

drivers/char/mbcs.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -50,6 +50,7 @@ static LIST_HEAD(soft_list);
		* file operations
		*/
		static const struct file_operations mbcs_ops = {
		.owner = THIS_MODULE,
		.open = mbcs_open,
		.llseek = mbcs_sram_llseek,
		.read = mbcs_sram_read,

Admin message