V4L/DVB (7854): cx18/ivtv: improve and fix out-of-memory handling

- don't show kernel backtrace when the allocation of the buffers fails: the
  normal ivtv/cx18 messages are clear enough and the backtrace scares users.
- fix cleanup after the buffer allocation fails (caused kernel panic).

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c
index df789f683e63..73be154f7f05 100644
--- a/drivers/media/video/ivtv/ivtvfb.c
+++ b/drivers/media/video/ivtv/ivtvfb.c
@@ -948,7 +948,8 @@ static int ivtvfb_init_vidmode(struct ivtv *itv)
         }
 
         /* Allocate the pseudo palette */
-        oi->ivtvfb_info.pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL);
+        oi->ivtvfb_info.pseudo_palette =
+                kmalloc(sizeof(u32) * 16, GFP_KERNEL|__GFP_NOWARN);
 
         if (!oi->ivtvfb_info.pseudo_palette) {
                 IVTVFB_ERR("abort, unable to alloc pseudo pallete\n");
@@ -1056,7 +1057,8 @@ static int ivtvfb_init_card(struct ivtv *itv)
                 return -EBUSY;
         }
 
-        itv->osd_info = kzalloc(sizeof(struct osd_info), GFP_ATOMIC);
+        itv->osd_info = kzalloc(sizeof(struct osd_info),
+                                        GFP_ATOMIC|__GFP_NOWARN);
         if (itv->osd_info == NULL) {
                 IVTVFB_ERR("Failed to allocate memory for osd_info\n");
                 return -ENOMEM;