Re: [PATCH] pata_ipx4xx_cf: Fix unsigned comparison with less than zero

From: Sergei Shtylyov
Date: Sat Apr 10 2021 - 04:46:53 EST


On 10.04.2021 2:38, angkery wrote:
On Fri, 9 Apr 2021 20:02:56 +0300
Sergei Shtylyov <sergei.shtylyov@xxxxxxxxx> wrote:

On 4/9/21 7:49 PM, Sergei Shtylyov wrote:

From: Junlin Yang <yangjunlin@xxxxxxxxxx>

The return from the call to platform_get_irq() is int, it can be
a negative error code, however this is being assigned to an
unsigned int variable 'irq', so making 'irq' an int, and change
the position to keep the code format.

./drivers/ata/pata_ixp4xx_cf.c:168:5-8:
WARNING: Unsigned expression compared with zero: irq > 0

I'd understand < 0... but > 0? What tool warned about this issue?
yes, by coccicheck, i will update commits information.

Thanks!
Yet, looking at your subject, the above should read irq < 0, not > 0.

Signed-off-by: Junlin Yang <yangjunlin@xxxxxxxxxx>