On Mon, Jul 25, 2022 at 03:26:18AM +0700, Ammar Faizi wrote: > Commit 7a4836560a61 changes simple_write_to_buffer() with memdup_user() > but it forgets to change the value to be returned that came from > simple_write_to_buffer() call. It results in the following warning: > > warning: variable 'rc' is uninitialized when used here [-Wuninitialized] > return rc; > ^~ > > Remove rc variable and just return the passed in length if the > memdup_user() succeeds. > > Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Fixes: 7a4836560a6198d245d5732e26f94898b12eb760 ("wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()") > Fixes: ff974e4083341383d3dd4079e52ed30f57f376f0 ("wil6210: debugfs interface to send raw WMI command") > Signed-off-by: Ammar Faizi <ammarfaizi2@xxxxxxxxxxx> Oops. Sorry! Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> regards, dan carpenter