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| author | Manu Abraham <devnull@localhost> | 2005-09-21 16:35:13 +0000 |
|---|---|---|
| committer | Manu Abraham <devnull@localhost> | 2005-09-21 16:35:13 +0000 |
| commit | c639ab0356b57381534d80765ea7471d3a479038 (patch) | |
| tree | 187ae55e41b5fb8947926133f123241c0cdbf7a1 /linux/drivers | |
| parent | 7f621d710a79176101b7a7a866c2792a942ba95d (diff) | |
| download | mediapointer-dvb-s2-c639ab0356b57381534d80765ea7471d3a479038.tar.gz mediapointer-dvb-s2-c639ab0356b57381534d80765ea7471d3a479038.tar.bz2 | |
remove redundant checksum
- 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>
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/dvb/bt8xx/dst_ca.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/linux/drivers/media/dvb/bt8xx/dst_ca.c b/linux/drivers/media/dvb/bt8xx/dst_ca.c index d4831c374..34394aa70 100644 --- a/linux/drivers/media/dvb/bt8xx/dst_ca.c +++ b/linux/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) |