Re: [PATCH next] i2c: Fix end of loop test in i2c_atr_find_mapping_by_addr()

From: Wolfram Sang
Date: Fri May 02 2025 - 10:40:49 EST


On Wed, Apr 23, 2025 at 11:21:18AM +0300, Dan Carpenter wrote:
> When the list_for_each_entry_reverse() exits without hitting a break
> then the list cursor points to invalid memory. So this check for
> if (c2a->fixed) is checking bogus memory. Fix it by using a "found"
> variable to track if we found what we were looking for or not.
>
> Fixes: c3f55241882b ("i2c: Support dynamic address translation")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Applied to for-next with Tomi's description added, thanks!

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