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| author | Perceval Anichini <perceval.anichini@streamvision.fr> | 2005-11-09 06:35:23 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 16:56:02 +0100 |
| commit | 4fbbc7ee591ab19707d12e2f86a1ae11f7195423 (patch) | |
| tree | 7c57b11183346325174ba5d278ad95efc9edcfeb /drivers/media/dvb | |
| parent | [PATCH] dvb: dst: fix DST DVB-S get_frequency (diff) | |
| download | linux-4fbbc7ee591ab19707d12e2f86a1ae11f7195423.tar.xz linux-4fbbc7ee591ab19707d12e2f86a1ae11f7195423.zip | |
[PATCH] dvb: dst: remove redundant checksum calculation
removes the redundant checksum calculation, which was also exported from the
dst.c module
Signed-off-by: Perceval Anichini <perceval.anichini@streamvision.fr>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst_ca.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c index f77fda77b638..16645e06dea2 100644 --- a/drivers/media/dvb/bt8xx/dst_ca.c +++ b/drivers/media/dvb/bt8xx/dst_ca.c @@ -69,26 +69,12 @@ static int ca_set_pid(void) } -static int put_checksum(u8 *check_string, int length) +static void put_checksum(u8 *check_string, int length) { - u8 i = 0, checksum = 0; - - dprintk(verbose, DST_CA_DEBUG, 1, " ========================= Checksum calculation ==========================="); - dprintk(verbose, DST_CA_DEBUG, 1, " String Length=[0x%02x]", length); - dprintk(verbose, DST_CA_DEBUG, 1, " String=["); - - while (i < length) { - dprintk(verbose, DST_CA_DEBUG, 0, " %02x", check_string[i]); - checksum += check_string[i]; - i++; - } - dprintk(verbose, DST_CA_DEBUG, 0, " ]\n"); - dprintk(verbose, DST_CA_DEBUG, 1, "Sum=[%02x]\n", checksum); - check_string[length] = ~checksum + 1; - dprintk(verbose, DST_CA_DEBUG, 1, " Checksum=[%02x]", check_string[length]); - dprintk(verbose, DST_CA_DEBUG, 1, " =========================================================================="); - - return 0; + dprintk(verbose, DST_CA_DEBUG, 1, " Computing string checksum."); + dprintk(verbose, DST_CA_DEBUG, 1, " -> string length : 0x%02x", length); + check_string[length] = dst_check_sum (check_string, length); + dprintk(verbose, DST_CA_DEBUG, 1, " -> checksum : 0x%02x", check_string[length]); } static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read) |