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wifi: ath11k: Fix memory leak in ath11k_peer_rx_frag_setup

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crypto_alloc_shash() allocates resources, which should be released by
crypto_free_shash(). When ath11k_peer_find() fails, there has memory
leak. Add missing crypto_free_shash() to fix this.

Fixes: 243874c64c81 ("ath11k: handle RX fragments")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230102081142.3937570-1-linmq006@gmail.com

Signed-off-by: Venkat Chimata <venkat@nearhop.com>
This commit is contained in:
Venkat Chimata 2025-11-27 02:38:58 +05:30 committed by John Crispin
parent a81fe1274b
commit d64e3c8d14
1 changed files with 33 additions and 0 deletions
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33
feeds/ipq807x_v5.4/mac80211/patches/pending/a-104-fix-ath11k-frag-setup-leak.patch Normal file
View File

@ -0,0 +1,33 @@
From ed3f83b3459a67a3ab9d806490ac304b567b1c2d Mon Sep 17 00:00:00 2001
From: Miaoqian Lin <linmq006@gmail.com>
Date: Mon, 2 Jan 2023 12:11:42 +0400
Subject: wifi: ath11k: Fix memory leak in ath11k_peer_rx_frag_setup
crypto_alloc_shash() allocates resources, which should be released by
crypto_free_shash(). When ath11k_peer_find() fails, there has memory
leak. Add missing crypto_free_shash() to fix this.
Fixes: 243874c64c81 ("ath11k: handle RX fragments")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230102081142.3937570-1-linmq006@gmail.com
---
drivers/net/wireless/ath/ath11k/dp_rx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index be391322956fec..b65a84a8826413 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -3126,6 +3126,7 @@ int ath11k_peer_rx_frag_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id
if (!peer) {
ath11k_warn(ab, "failed to find the peer to set up fragment info\n");
spin_unlock_bh(&ab->base_lock);
+ crypto_free_shash(tfm);
return -ENOENT;
}
--
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