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Merge pull request #441 from open-estuary/dev 

lib/ff_config.c : Fix data overflow in more than 64 cores
dev
johnjiang 2019-10-24 20:58:16 +08:00 committed by GitHub
parent 5da0f71d3f 813e23e238
commit 59e841c5a2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 4 deletions
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12
lib/ff_config.c
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@ -69,12 +69,13 @@ xdigit2val(unsigned char c)
static int
parse_lcore_mask(struct ff_config *cfg, const char *coremask)
{
int i, j, idx = 0;
int i, j, idx = 0, shift = 0, zero_num = 0;
unsigned count = 0;
char c;
int val;
uint16_t *proc_lcore;
char buf[RTE_MAX_LCORE] = {0};
char zero[RTE_MAX_LCORE] = {0};
if (coremask == NULL)
return 0;
@ -113,9 +114,12 @@ parse_lcore_mask(struct ff_config *cfg, const char *coremask)
if ((1 << j) & val) {
proc_lcore[count] = idx;
if (cfg->dpdk.proc_id == count) {
sprintf(buf, "%llx", (unsigned long long)1<<idx);
cfg->dpdk.proc_mask = strdup(buf);
}
zero_num = idx >> 2;
shift = idx & 0x3;
memset(zero,'0',zero_num);
sprintf(buf, "%llx%s", (unsigned long long)1<<shift, zero);
cfg->dpdk.proc_mask = strdup(buf);
}
count++;
}
}