net: ipv6: rpl_iptunnel: Fix memory leak in rpl_input
authorJustin Iurman <justin.iurman@uliege.be>
Wed, 11 Sep 2024 17:45:57 +0000 (19:45 +0200)
committerJakub Kicinski <kuba@kernel.org>
Sat, 14 Sep 2024 02:55:49 +0000 (19:55 -0700)
commit2c84b0aa28b9e73e8c4b4ce038269469434ae372
treeffdbab1b6ba7179ecb01fb5ec205f481f06b8331
parentb9c7ac4fe22c608acf6153a3329df2b6b6cd416c
net: ipv6: rpl_iptunnel: Fix memory leak in rpl_input

Free the skb before returning from rpl_input when skb_cow_head() fails.
Use a "drop" label and goto instructions.

Fixes: a7a29f9c361f ("net: ipv6: add rpl sr tunnel")
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240911174557.11536-1-justin.iurman@uliege.be
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/ipv6/rpl_iptunnel.c