ethtool/SOURCES/0016-netlink-return-ENOMEM-when-calloc-fails.patch

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2021-05-18 06:33:33 +00:00
From d0362097e60d227bac4f66a06891ee1d807d2c48 Mon Sep 17 00:00:00 2001
From: Ivan Vecera <cera@cera.cz>
Date: Thu, 24 Sep 2020 19:51:47 +0200
Subject: [PATCH 16/17] netlink: return -ENOMEM when calloc fails
Fixes: f2c17e107900 ("netlink: add netlink handler for gfeatures (-k)")
Cc: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Ivan Vecera <cera@cera.cz>
---
netlink/features.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/netlink/features.c b/netlink/features.c
index 3f1240437350..b2cf57eea660 100644
--- a/netlink/features.c
+++ b/netlink/features.c
@@ -112,16 +112,17 @@ int dump_features(const struct nlattr *const *tb,
unsigned int *feature_flags = NULL;
struct feature_results results;
unsigned int i, j;
- int ret;
+ int ret = 0;
ret = prepare_feature_results(tb, &results);
if (ret < 0)
return -EFAULT;
- ret = -ENOMEM;
feature_flags = calloc(results.count, sizeof(feature_flags[0]));
- if (!feature_flags)
+ if (!feature_flags) {
+ ret = -ENOMEM;
goto out_free;
+ }
/* map netdev features to legacy flags */
for (i = 0; i < results.count; i++) {
@@ -184,7 +185,7 @@ int dump_features(const struct nlattr *const *tb,
out_free:
free(feature_flags);
- return 0;
+ return ret;
}
int features_reply_cb(const struct nlmsghdr *nlhdr, void *data)
--
2.26.2