diff mbox series

[RESEND,v1] drivers/net/bonding/bond_3ad: return when there's no aggregator

Message ID 20221129072617.439074-1-d-tatianin@yandex-team.ru (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series [RESEND,v1] drivers/net/bonding/bond_3ad: return when there's no aggregator | expand

Checks

Context Check Description
netdev/tree_selection success Guessed tree name to be net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/cover_letter success Single patches do not need cover letters
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers fail 7 maintainers not CCed: pabeni@redhat.com edumazet@google.com kuba@kernel.org andy@greyhouse.net davem@davemloft.net j.vosburgh@gmail.com vfalico@gmail.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Daniil Tatianin Nov. 29, 2022, 7:26 a.m. UTC
Otherwise we would dereference a NULL aggregator pointer when calling
__set_agg_ports_ready on the line below.

Found by Linux Verification Center (linuxtesting.org) with the SVACE
static analysis tool.

Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
---
 drivers/net/bonding/bond_3ad.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Jakub Kicinski Dec. 1, 2022, 5:46 a.m. UTC | #1
On Tue, 29 Nov 2022 10:26:17 +0300 Daniil Tatianin wrote:
> Otherwise we would dereference a NULL aggregator pointer when calling
> __set_agg_ports_ready on the line below.
> 
> Found by Linux Verification Center (linuxtesting.org) with the SVACE
> static analysis tool.
> 
> Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>

Okay, went thru, now let's try CCing the maintainers of bonding...
diff mbox series

Patch

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index acb6ff0be5ff..320e5461853f 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -1520,6 +1520,7 @@  static void ad_port_selection_logic(struct port *port, bool *update_slave_arr)
 			slave_err(bond->dev, port->slave->dev,
 				  "Port %d did not find a suitable aggregator\n",
 				  port->actor_port_number);
+			return;
 		}
 	}
 	/* if all aggregator's ports are READY_N == TRUE, set ready=TRUE