Hi Prabhakar, On 11/09/2012 08:33 PM, Prabhakar Lad wrote: > Hi Wei, > > Thanks for the patch. > > On Wed, Oct 24, 2012 at 4:59 PM, Wei Yongjun <weiyj.lk@xxxxxxxxx> wrote: >> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> >> >> In case of error, the function vb2_dma_contig_init_ctx() returns >> ERR_PTR() and never returns NULL. The NULL test in the return value >> check should be replaced with IS_ERR(). >> >> dpatch engine is used to auto generate this patch. >> (https://github.com/weiyj/dpatch) >> >> Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx> >> --- >> drivers/media/platform/davinci/vpif_display.c | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c >> index b716fbd..5453bbb 100644 >> --- a/drivers/media/platform/davinci/vpif_display.c >> +++ b/drivers/media/platform/davinci/vpif_display.c >> @@ -972,9 +972,9 @@ static int vpif_reqbufs(struct file *file, void *priv, >> } >> /* Initialize videobuf2 queue as per the buffer type */ >> common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); >> - if (!common->alloc_ctx) { >> + if (IS_ERR(common->alloc_ctx)) { > Right check would be IS_ERR_OR_NULL(). Can you merge this > patch 'vpif_capture: fix return value check in vpif_reqbufs()' with > this one and post a v2 with above changes ? I will merge those two patch into one. And I never see vb2_dma_contig_init_ctx() can return NULL as a return value, we still would using IS_ERR_OR_NULL()? --------------------------------------------------- void *vb2_dma_contig_init_ctx(struct device *dev) { struct vb2_dc_conf *conf; conf = kzalloc(sizeof *conf, GFP_KERNEL); if (!conf) return ERR_PTR(-ENOMEM); conf->dev = dev; return conf; } --------------------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html