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authorDaniel Hsu <d486250@gmail.com>2025-03-25 16:10:08 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-29 11:12:27 +0200
commit64d2218f86302d23c489247b42069a6232ec2352 (patch)
treecfbdb2cfac1d8516937cd878719c404a06ada0ec
parent26d45467a21b81f44e17057f8d766ff5f8cdeb3a (diff)
mctp: Fix incorrect tx flow invalidation condition in mctp-i2c
[ Upstream commit 70facbf978ac90c6da17a3de2a8dd111b06f1bac ] Previously, the condition for invalidating the tx flow in mctp_i2c_invalidate_tx_flow() checked if `rc` was nonzero. However, this could incorrectly trigger the invalidation even when `rc > 0` was returned as a success status. This patch updates the condition to explicitly check for `rc < 0`, ensuring that only error cases trigger the invalidation. Signed-off-by: Daniel Hsu <Daniel-Hsu@quantatw.com> Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/net/mctp/mctp-i2c.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/mctp/mctp-i2c.c b/drivers/net/mctp/mctp-i2c.c
index d74d47dd6e04..f782d93f826e 100644
--- a/drivers/net/mctp/mctp-i2c.c
+++ b/drivers/net/mctp/mctp-i2c.c
@@ -537,7 +537,7 @@ static void mctp_i2c_xmit(struct mctp_i2c_dev *midev, struct sk_buff *skb)
rc = __i2c_transfer(midev->adapter, &msg, 1);
/* on tx errors, the flow can no longer be considered valid */
- if (rc)
+ if (rc < 0)
mctp_i2c_invalidate_tx_flow(midev, skb);
break;