From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Mon, 13 May 2013 04:49:13 +0000 (-0300)
Subject: [media] s5p-tv: fix error return code in mxr_acquire_video()
X-Git-Tag: v3.11-rc1~17^2~256
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a2f18cf58a59ba7de2a5f912b12d9732702969c;p=pandora-kernel.git

[media] s5p-tv: fix error return code in mxr_acquire_video()

Fix to return a negative error code in the vb2_dma_contig_init_ctx()
error handling case instead of 0, as done elsewhere in this function.
Also vb2_dma_contig_init_ctx() return ERR_PTR() in case of error and
never return NULL, so use IS_ERR() replace IS_ERR_OR_NULL().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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