From dd6dbe8d7e312238cc0ad0b907042a96b0505d44 Mon Sep 17 00:00:00 2001 From: "Daniel W. S. Almeida" Date: Sat, 31 Oct 2020 16:05:47 +0100 Subject: [PATCH] media: vidtv: extract the initial CRC value to into a #define The same constant (0xffffffff) is used in three different functions. Extract it into a #define to avoid repetition. Signed-off-by: Daniel W. S. Almeida Signed-off-by: Mauro Carvalho Chehab --- drivers/media/test-drivers/vidtv/vidtv_psi.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/test-drivers/vidtv/vidtv_psi.c b/drivers/media/test-drivers/vidtv/vidtv_psi.c index 82cf67dd27c0..f2e25e68c085 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_psi.c +++ b/drivers/media/test-drivers/vidtv/vidtv_psi.c @@ -31,6 +31,7 @@ #define CRC_SIZE_IN_BYTES 4 #define MAX_VERSION_NUM 32 +#define INITIAL_CRC 0xffffffff static const u32 CRC_LUT[256] = { /* from libdvbv5 */ @@ -784,7 +785,7 @@ u32 vidtv_psi_pat_write_into(struct vidtv_psi_pat_write_args args) /* the number of bytes written by this function */ u32 nbytes = 0; const u16 pat_pid = VIDTV_PAT_PID; - u32 crc = 0xffffffff; + u32 crc = INITIAL_CRC; struct vidtv_psi_table_pat_program *p = args.pat->program; @@ -974,7 +975,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args) { /* the number of bytes written by this function */ u32 nbytes = 0; - u32 crc = 0xffffffff; + u32 crc = INITIAL_CRC; struct vidtv_psi_desc *table_descriptor = args.pmt->descriptor; struct vidtv_psi_table_pmt_stream *stream = args.pmt->stream; @@ -1124,7 +1125,7 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args) u32 nbytes = 0; u16 sdt_pid = VIDTV_SDT_PID; /* see ETSI EN 300 468 v1.15.1 p. 11 */ - u32 crc = 0xffffffff; + u32 crc = INITIAL_CRC; struct vidtv_psi_table_sdt_service *service = args.sdt->service; struct vidtv_psi_desc *service_desc = (args.sdt->service) ? -- GitLab