diff mbox series

[net-next,2/2] net: marvell: prestera: Fix return value check in prestera_kern_fib_cache_find()

Message ID 20220223084954.1771075-2-yangyingliang@huawei.com (mailing list archive)
State Accepted
Commit 37f40f81e589839c17ed99a103bc1bc5f7343313
Delegated to: Netdev Maintainers
Headers show
Series [net-next,1/2] net: marvell: prestera: Fix return value check in prestera_fib_node_find() | expand

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Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
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 1 blamed authors not CCed: oleksandr.mazur@plvision.eu; 1 maintainers not CCed: oleksandr.mazur@plvision.eu
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/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Yang Yingliang Feb. 23, 2022, 8:49 a.m. UTC
rhashtable_lookup_fast() returns NULL pointer not ERR_PTR(), so
it can return fib_node directly in prestera_kern_fib_cache_find().

Fixes: 4394fbcb78cf ("net: marvell: prestera: handle fib notifications")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/net/ethernet/marvell/prestera/prestera_router.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router.c b/drivers/net/ethernet/marvell/prestera/prestera_router.c
index 54ebda61bfea..6c5618cf4f08 100644
--- a/drivers/net/ethernet/marvell/prestera/prestera_router.c
+++ b/drivers/net/ethernet/marvell/prestera/prestera_router.c
@@ -68,7 +68,7 @@  prestera_kern_fib_cache_find(struct prestera_switch *sw,
 	fib_cache =
 	 rhashtable_lookup_fast(&sw->router->kern_fib_cache_ht, key,
 				__prestera_kern_fib_cache_ht_params);
-	return IS_ERR(fib_cache) ? NULL : fib_cache;
+	return fib_cache;
 }
 
 static void