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env_dpdk: fix potential null dereference

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Change-Id: Iff5cfa780506191b3a7fb218c6b5948df2ac16a4
Signed-off-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/523
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Darek Stojaczyk 2020-01-31 15:39:11 +01:00 committed by Tomasz Zawadzki
parent a9a472b99b
commit 3ac9ba25f3
1 changed files with 7 additions and 3 deletions
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10
lib/env_dpdk/init.c
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@ -271,9 +271,13 @@ spdk_build_eal_cmdline(const struct spdk_env_opts *opts)
*/
if (opts->core_mask[0] == '[') {
char *l_arg = _sprintf_alloc("-l %s", opts->core_mask + 1);
int len = strlen(l_arg);
if (l_arg[len - 1] == ']') {
l_arg[len - 1] = '\0';
if (l_arg != NULL) {
int len = strlen(l_arg);
if (l_arg[len - 1] == ']') {
l_arg[len - 1] = '\0';
}
}
args = spdk_push_arg(args, &argcount, l_arg);
} else {