[PATCH 1/2] net/smc: Return directly after a failed kzalloc() in smc_fill_gid_list()

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From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 31 Dec 2023 15:15:19 +0100

The kfree() function was called in one case by
the smc_fill_gid_list() function during error handling
even if the passed variable contained a null pointer.
This issue was detected by using the Coccinelle software.

Thus return directly after a call of the function “kzalloc” failed
at the beginning.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 net/smc/af_smc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 7fc2f3c6d248..a396a9977ba9 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1180,7 +1180,7 @@ void smc_fill_gid_list(struct smc_link_group *lgr,

 	alt_ini = kzalloc(sizeof(*alt_ini), GFP_KERNEL);
 	if (!alt_ini)
-		goto out;
+		return;

 	alt_ini->vlan_id = lgr->vlan_id;
 	alt_ini->check_smcrv2 = true;
--
2.43.0






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