Messages in this thread | | | Date | Mon, 25 Jul 2022 09:34:10 +0300 | From | Dan Carpenter <> | Subject | Re: [PATCH] wifi: wil6210: debugfs: fix uninitialized variable use in `wil_write_file_wmi()` |
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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@oracle.com> > Reported-by: kernel test robot <lkp@intel.com> > 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@gnuweeb.org>
Oops. Sorry!
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
regards, dan carpenter
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