From c4875ebf2e40bb99b42864487fb304f79643841e Mon Sep 17 00:00:00 2001 From: Mark Hounschell Date: Tue, 4 Mar 2014 16:03:10 -0500 Subject: [PATCH] staging: dgap: fix checkpatch warning on sscanf usage This patch fixes a checkpatch warning for not checking the return value of sscanf. Signed-off-by: Mark Hounschell Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgap/dgap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c index 6bd21e97ed8c..51f9924eac10 100644 --- a/drivers/staging/dgap/dgap.c +++ b/drivers/staging/dgap/dgap.c @@ -6017,7 +6017,8 @@ static ssize_t dgap_driver_pollrate_show(struct device_driver *ddp, char *buf) static ssize_t dgap_driver_pollrate_store(struct device_driver *ddp, const char *buf, size_t count) { - sscanf(buf, "%d\n", &dgap_poll_tick); + if (sscanf(buf, "%d\n", &dgap_poll_tick) != 1) + return -EINVAL; return count; } static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgap_driver_pollrate_show, dgap_driver_pollrate_store); -- 2.30.2