From 583803d135b14d414e77b6d2b546a811cac9944e Mon Sep 17 00:00:00 2001 From: Andy Walls Date: Sat, 28 Feb 2009 18:48:27 -0300 Subject: [PATCH] V4L/DVB (10853): cx18: Fix s-parse warnings and a logic error about extracting the VBI PTS My s-parse builds never griped about be32_to_cpu() casting to __be32, but Hans' builds did. This change explictly declares the pointer into the VBI buffer header as __be32, which is the correct thing to do as the data is always big endian when we go to fetch it. Hopefully this will quiet s-parse warnings. Also corrected a misplaced parenthesis logic error in checking for the VBI header magic number. Signed-off-by: Andy Walls Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx18/cx18-vbi.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/media/video/cx18/cx18-vbi.c b/drivers/media/video/cx18/cx18-vbi.c index a81fe2e..355737b 100644 --- a/drivers/media/video/cx18/cx18-vbi.c +++ b/drivers/media/video/cx18/cx18-vbi.c @@ -169,7 +169,7 @@ void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, int streamtype) { u8 *p = (u8 *) buf->buf; - u32 *q = (u32 *) buf->buf; + __be32 *q = (__be32 *) buf->buf; u32 size = buf->bytesused; u32 pts; int lines; @@ -178,8 +178,9 @@ void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, return; /* - * The CX23418 sends us data that is 32 bit LE swapped, but we want - * the raw VBI bytes in the order they were in the raster line + * The CX23418 sends us data that is 32 bit little-endian swapped, + * but we want the raw VBI bytes in the order they were in the raster + * line. This has a side effect of making the 12 byte header big endian */ cx18_buf_swap(buf); @@ -218,7 +219,7 @@ void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, /* Sliced VBI data with data insertion */ - pts = (be32_to_cpu(q[0] == 0x3fffffff)) ? be32_to_cpu(q[2]) : 0; + pts = (be32_to_cpu(q[0]) == 0x3fffffff) ? be32_to_cpu(q[2]) : 0; /* * For calls to compress_sliced_buf(), ensure there are an integral -- 2.7.4