lkml.org 
[lkml]   [2020]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH net 9/9] net: qed: fix "maybe uninitialized" warning
Date
From: Jakub Kicinski <kuba@kernel.org>
Date: Mon, 22 Jun 2020 14:44:37 -0700

> On Mon, 22 Jun 2020 14:14:13 +0300 Alexander Lobakin wrote:
> > Variable 'abs_ppfid' in qed_dev.c:qed_llh_add_mac_filter() always gets
> > printed, but is initialized only under 'ref_cnt == 1' condition. This
> > results in:
> >
> > In file included from ./include/linux/kernel.h:15:0,
> > from ./include/asm-generic/bug.h:19,
> > from ./arch/x86/include/asm/bug.h:86,
> > from ./include/linux/bug.h:5,
> > from ./include/linux/io.h:11,
> > from drivers/net/ethernet/qlogic/qed/qed_dev.c:35:
> > drivers/net/ethernet/qlogic/qed/qed_dev.c: In function 'qed_llh_add_mac_filter':
> > ./include/linux/printk.h:358:2: warning: 'abs_ppfid' may be used uninitialized
> > in this function [-Wmaybe-uninitialized]
> > printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
> > ^~~~~~
> > drivers/net/ethernet/qlogic/qed/qed_dev.c:983:17: note: 'abs_ppfid' was declared
> > here
> > u8 filter_idx, abs_ppfid;
> > ^~~~~~~~~
> >
> > ...under W=1+.
> >
> > Fix this by initializing it with zero.
> >
> > Fixes: 79284adeb99e ("qed: Add llh ppfid interface and 100g support for
> > offload protocols")
> > Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
> > Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
> > Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
>
> Please don't wrap Fixes tags:

Aww, second time in a row I fail on this. Sorry, will send v2
soon.

> Fixes tag: Fixes: 79284adeb99e ("qed: Add llh ppfid interface and 100g support for
> Has these problem(s):
> - Subject has leading but no trailing parentheses
> - Subject has leading but no trailing quotes

Al

\
 
 \ /
  Last update: 2020-06-23 14:18    [W:0.050 / U:1.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site