V4L/DVB: gspca - main: Fix a compilation warning

Reported-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 11b0e3557c1b..af7e042fd19f 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1467,7 +1467,8 @@ static int vidioc_reqbufs(struct file *file, void *priv,
         struct gspca_dev *gspca_dev = priv;
         int i, ret = 0, streaming;
 
-        switch (rb->memory) {
+        i = rb->memory;                 /* (avoid compilation warning) */
+        switch (i) {
         case GSPCA_MEMORY_READ:                 /* (internal call) */
         case V4L2_MEMORY_MMAP:
         case V4L2_MEMORY_USERPTR: