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mbcs: add .owner to mbcs struct file_operations

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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>
This commit is contained in:
Naveen Kumar Parna 2019-01-22 19:14:02 +05:30 committed by Greg Kroah-Hartman
parent ec74136ded
commit f9f7bb9e0a
1 changed files with 1 additions and 0 deletions
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drivers/char/mbcs.c
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@ -50,6 +50,7 @@ static LIST_HEAD(soft_list);
* file operations * file operations
*/ */
static const struct file_operations mbcs_ops = { static const struct file_operations mbcs_ops = {
.owner = THIS_MODULE,
.open = mbcs_open, .open = mbcs_open,
.llseek = mbcs_sram_llseek, .llseek = mbcs_sram_llseek,
.read = mbcs_sram_read, .read = mbcs_sram_read,