[media] media: davinci: vpif: Add return code check at vb2_queue_init()
authorLad, Prabhakar <prabhakar.lad@ti.com>
Wed, 3 Oct 2012 13:01:07 +0000 (10:01 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sat, 6 Oct 2012 01:13:25 +0000 (22:13 -0300)
from commit with id 896f38f582730a19eb49677105b4fe4c0270b82e
it's mandatory to check the return code of vb2_queue_init().

Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/platform/davinci/vpif_capture.c
drivers/media/platform/davinci/vpif_display.c

index 83b80baf868ae5ebe36516c45a835a98da999440..cabd5a2c3718fad8a86428587e14a7ad79113bbc 100644 (file)
@@ -976,6 +976,7 @@ static int vpif_reqbufs(struct file *file, void *priv,
        struct common_obj *common;
        u8 index = 0;
        struct vb2_queue *q;
+       int ret;
 
        vpif_dbg(2, debug, "vpif_reqbufs\n");
 
@@ -1015,8 +1016,12 @@ static int vpif_reqbufs(struct file *file, void *priv,
        q->mem_ops = &vb2_dma_contig_memops;
        q->buf_struct_size = sizeof(struct vpif_cap_buffer);
 
-       vb2_queue_init(q);
-
+       ret = vb2_queue_init(q);
+       if (ret) {
+               vpif_err("vpif_capture: vb2_queue_init() failed\n");
+               vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
+               return ret;
+       }
        /* Set io allowed member of file handle to TRUE */
        fh->io_allowed[index] = 1;
        /* Increment io usrs member of channel object to 1 */
index ae8329d792427a84c7e3fce25044923e2afff7a1..7f20ca53b6f24817515a0e1b9fcb2c09c696eb0a 100644 (file)
@@ -936,6 +936,7 @@ static int vpif_reqbufs(struct file *file, void *priv,
        enum v4l2_field field;
        struct vb2_queue *q;
        u8 index = 0;
+       int ret;
 
        /* This file handle has not initialized the channel,
           It is not allowed to do settings */
@@ -981,8 +982,12 @@ static int vpif_reqbufs(struct file *file, void *priv,
        q->mem_ops = &vb2_dma_contig_memops;
        q->buf_struct_size = sizeof(struct vpif_disp_buffer);
 
-       vb2_queue_init(q);
-
+       ret = vb2_queue_init(q);
+       if (ret) {
+               vpif_err("vpif_display: vb2_queue_init() failed\n");
+               vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
+               return ret;
+       }
        /* Set io allowed member of file handle to TRUE */
        fh->io_allowed[index] = 1;
        /* Increment io usrs member of channel object to 1 */