Staging: comedi: kcomedilib: replace deprecated simple_strtoul() with kstrtouint()

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@yahoo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/kcomedilib/kcomedilib_main.c b/drivers/staging/comedi/kcomedilib/kcomedilib_main.c
index 7dc5a18..8777f95 100644 (file)
--- 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;