1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c
index e47a4f102637..af1edd073b16 100644
--- a/drivers/media/IR/ir-sysfs.c
+++ b/drivers/media/IR/ir-sysfs.c
@@ -91,7 +91,7 @@ static ssize_t store_protocol(struct device *d,
         unsigned long flags;
         char *buf;
 
-        while (buf = strsep((char **) &data, " \n")) {
+        while ((buf = strsep((char **) &data, " \n")) != NULL) {
                 if (!strcasecmp(buf, "rc-5") || !strcasecmp(buf, "rc5"))
                         ir_type |= IR_TYPE_RC5;
                 if (!strcasecmp(buf, "pd") || !strcasecmp(buf, "pulse-distance"))