diff mbox series

[bpf,v2,2/9] bpf: Remove unnecessary kfree(im_node) in lpm_trie_update_elem

Message ID 20241127004641.1118269-3-houtao@huaweicloud.com (mailing list archive)
State New
Delegated to: BPF
Headers show
Series Fixes for LPM trie | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for bpf
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netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
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netdev/verify_fixes success No Fixes tag
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Commit Message

Hou Tao Nov. 27, 2024, 12:46 a.m. UTC 
From: Hou Tao <houtao1@huawei.com>

There is no need to call kfree(im_node) when updating element fails,
because im_node must be NULL. Remove the unnecessary kfree() for
im_node.

Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Hou Tao <houtao1@huawei.com>
---
 kernel/bpf/lpm_trie.c | 2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c
index 73fd593d3745..c6f036e3044b 100644
--- a/kernel/bpf/lpm_trie.c
+++ b/kernel/bpf/lpm_trie.c
@@ -431,9 +431,7 @@  static long trie_update_elem(struct bpf_map *map,
 	if (ret) {
 		if (new_node)
 			trie->n_entries--;
-
 		kfree(new_node);
-		kfree(im_node);
 	}
 
 	spin_unlock_irqrestore(&trie->lock, irq_flags);