Since simple_strtoul() has been deprecated, replace it with kstrtouint().
Also, since return code checking for this new function is enforced, add a
check to ensure that the conversion has succeeded.
Signed-off-by: Chase Southwood <chase.southwood@xxxxxxxxx>
---
drivers/staging/comedi/kcomedilib/kcomedilib_main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 7dc5a18..8923e65 100644
--- a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
+++ b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
@@ -41,7 +41,8 @@ struct comedi_device *comedi_open(const char *filename)
if (strncmp(filename, "/dev/comedi", 11) != 0)
return NULL;
- minor = simple_strtoul(filename + 11, NULL, 0);
+ if (kstrtouint(filename + 11, 0, &minor))
+ return NULL;
if (minor >= COMEDI_NUM_BOARD_MINORS)
return NULL;