There was useless loop when looking at the DMA address. It looks like it was meant to skip whitespace before calling strtok.
Good time to replace strtok with strtok_r as well. Link: https://pvs-studio.com/en/blog/posts/cpp/1179/ Fixes: 623dc9364dc6 ("app/dma-perf: introduce DMA performance test") Cc: cheng1.ji...@intel.com Cc: sta...@dpdk.org Signed-off-by: Stephen Hemminger <step...@networkplumber.org> --- app/test-dma-perf/main.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/app/test-dma-perf/main.c b/app/test-dma-perf/main.c index 18219918cc..dccb0a3541 100644 --- a/app/test-dma-perf/main.c +++ b/app/test-dma-perf/main.c @@ -217,27 +217,27 @@ parse_lcore_dma(struct test_configure *test_case, const char *value) struct lcore_dma_map_t *lcore_dma_map; char *input, *addrs; char *ptrs[2]; - char *start, *end, *substr; + char *start, *end, *substr, *saveptr; uint16_t lcore_id; int ret = 0; if (test_case == NULL || value == NULL) return -1; - input = strndup(value, strlen(value) + 1); + input = strdup(value); if (input == NULL) return -1; - addrs = input; - while (*addrs == '\0') - addrs++; + addrs = input; + while (isspace(*addrs)) + ++addrs; if (*addrs == '\0') { fprintf(stderr, "No input DMA addresses\n"); ret = -1; goto out; } - substr = strtok(addrs, ","); + substr = strtok_r(addrs, ",", &saveptr); if (substr == NULL) { fprintf(stderr, "No input DMA address\n"); ret = -1; -- 2.45.2