[dpdk-dev] [PATCH] eal: prevent dereferencing NULL pointer in rte_eal_devargs_add()

[Pawel Wodkowski]

On failure devargs->args should not be accesed if devargs is NULL.

Signed-off-by: Pawel Wodkowski <pawelx.wodkowski at intel.com>
---
 lib/librte_eal/common/eal_common_devargs.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
index 9b110f7..615945e 100644
--- a/lib/librte_eal/common/eal_common_devargs.c
+++ b/lib/librte_eal/common/eal_common_devargs.c
@@ -124,12 +124,13 @@ rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str)
 	return 0;
 
 fail:
-	if (devargs->args)
-		free(devargs->args);
 	if (buf)
 		free(buf);
-	if (devargs)
+	if (devargs) {
+		free(devargs->args);
 		free(devargs);
+	}
+
 	return -1;
 }
 
-- 
1.9.1