media: smiapp: check memory allocation failure

Check memory allocation failure and return -ENOMEM in such a case.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index aff55e1..700f433 100644 (file)
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -841,6 +841,8 @@ static int smiapp_get_mbus_formats(struct smiapp_sensor *sensor)
                &client->dev,
                compressed_max_bpp - sensor->compressed_min_bpp + 1,
                sizeof(*sensor->valid_link_freqs), GFP_KERNEL);
+       if (!sensor->valid_link_freqs)
+               return -ENOMEM;
 
        for (i = 0; i < ARRAY_SIZE(smiapp_csi_data_formats); i++) {
                const struct smiapp_csi_data_format *f =