Re: [PATCH 3/3 v5.4.y] dmaengine: ti: edma: Add some null pointer checks to the edma_probe

On Tue, Apr 22, 2025 at 03:17:09PM +0000, Hardik Gohil wrote:

From: Kunwu Chan chentao@kylinos.cn

[ Upstream commit 6e2276203ac9ff10fc76917ec9813c660f627369 ]

devm_kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

Signed-off-by: Kunwu Chan chentao@kylinos.cn Link: https://lore.kernel.org/r/20240118031929.192192-1-chentao@kylinos.cn Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org

Sasha did not sign off on the original commit here.

And you didn't either. Please read the documentation for what this means, and what you are doing when you add it.

thanks,

greg k-h