lkml.org 
[lkml]   [2022]   [Jun]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] bnx2x: fix memory leak in bnx2x_tpa_stop()
Date
bnx2x_tpa_stop() allocates a memory chunk from new_data with
bnx2x_frag_alloc(). The new_data should be freed when some errors occur.
But when "pad + len > fp->rx_buf_size" is true, bnx2x_tpa_stop() returns
without releasing the new_data, which leads to a memory leak.

We should free the new_data with bnx2x_frag_free() when "pad + len >
fp->rx_buf_size" is true.

Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 5729a5ab059d..4cbd3ba5acb9 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -789,6 +789,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
BNX2X_ERR("skb_put is about to fail... pad %d len %d rx_buf_size %d\n",
pad, len, fp->rx_buf_size);
bnx2x_panic();
+ bnx2x_frag_free(fp, new_data);
return;
}
#endif
--
2.25.1
\
 
 \ /
  Last update: 2022-06-24 06:14    [W:0.027 / U:1.932 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site