Re: [PATCH][next] ixgbe: fix comparison of offset with zero or NVM_INVALID_PTR

From: Jeff Kirsher
Date: Fri Jan 12 2018 - 12:52:37 EST


On Fri, 2018-01-12 at 17:13 +0000, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The incorrect operator && is being used and will always return false
> as offset can never be two different values at the same time. Fix
> this
> by using the || operator instead.
>
> Detected by CoverityScan, CID#1463806 ("Logically dead code")
>
> Fixes: 73834aec7199 ("ixgbe: extend firmware version support")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Dan Carpenter beat you too it, see his patch in my tree:

commit 7352baadcc2ad2ed214e52bd8b50ac6eb01968cd
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Fri Jan 12 09:45:00 2018 -0800

ixgbe: Fix && vs || typo

"offset" can't be both 0x0 and 0xFFFF so presumably || was intended
instead of &&. That matches with how this check is done in other
functions.

Fixes: 73834aec7199 ("ixgbe: extend firmware version support")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

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