Re: [PATCH] dmaengine: usb-dmac: Avoid format-overflow warning

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On Wed, 10 Jan 2024 22:22:10 +0000, Prabhakar wrote:
> gcc points out that the fix-byte buffer might be too small:
> drivers/dma/sh/usb-dmac.c: In function 'usb_dmac_probe':
> drivers/dma/sh/usb-dmac.c:720:34: warning: '%u' directive writing between 1 and 10 bytes into a region of size 3 [-Wformat-overflow=]
>   720 |         sprintf(pdev_irqname, "ch%u", index);
>       |                                  ^~
> In function 'usb_dmac_chan_probe',
>     inlined from 'usb_dmac_probe' at drivers/dma/sh/usb-dmac.c:814:9:
> drivers/dma/sh/usb-dmac.c:720:31: note: directive argument in the range [0, 4294967294]
>   720 |         sprintf(pdev_irqname, "ch%u", index);
>       |                               ^~~~~~
> drivers/dma/sh/usb-dmac.c:720:9: note: 'sprintf' output between 4 and 13 bytes into a destination of size 5
>   720 |         sprintf(pdev_irqname, "ch%u", index);
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> [...]

Applied, thanks!

[1/1] dmaengine: usb-dmac: Avoid format-overflow warning
      commit: 62b68a88795942512936896b9fec1ee7d5fa9922

Best regards,
-- 
~Vinod






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