Re: [PATCH net v3 2/2] net: dlink: handle copy_thresh allocation failure
From: Andrew Lunn <andrew@lunn.ch>
Date: 2025-09-16 19:36:35
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From: Andrew Lunn <andrew@lunn.ch>
Date: 2025-09-16 19:36:35
Also in:
lkml
On Wed, Sep 17, 2025 at 03:33:05AM +0900, Yeounsu Moon wrote:
The driver did not handle failure of `netdev_alloc_skb_ip_align()`.
If the allocation failed, dereferencing `skb->protocol` could lead to a
NULL pointer dereference.
This patch adds proper error handling by falling back to the `else` clause
when the allocation fails.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Tested-on: D-Link DGE-550T Rev-A3
Signed-off-by: Yeounsu Moon <redacted>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew