linux-fsdevel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] fs/binfmt_elf_fdpic: remove redundant condition check in writenote
@ 2018-08-02  2:04 zhong jiang
  2018-08-02  2:51 ` zhong jiang
  2018-08-02  3:05 ` Al Viro
  0 siblings, 2 replies; 3+ messages in thread
From: zhong jiang @ 2018-08-02  2:04 UTC (permalink / raw)
  To: viro; +Cc: linux-fsdevel, linux-kernel

It is unncessary to use double test for a expression. so just
remove one of them.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 fs/binfmt_elf_fdpic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index b53bb37..5162372 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1288,7 +1288,7 @@ static int writenote(struct memelfnote *men, struct coredump_params *cprm)
 
 	return dump_emit(cprm, &en, sizeof(en)) &&
 		dump_emit(cprm, men->name, en.n_namesz) && dump_align(cprm, 4) &&
-		dump_emit(cprm, men->data, men->datasz) && dump_align(cprm, 4);
+		dump_emit(cprm, men->data, men->datasz);
 }
 
 static inline void fill_elf_fdpic_header(struct elfhdr *elf, int segs)
-- 
1.7.12.4

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] fs/binfmt_elf_fdpic: remove redundant condition check in writenote
  2018-08-02  2:04 [PATCH] fs/binfmt_elf_fdpic: remove redundant condition check in writenote zhong jiang
@ 2018-08-02  2:51 ` zhong jiang
  2018-08-02  3:05 ` Al Viro
  1 sibling, 0 replies; 3+ messages in thread
From: zhong jiang @ 2018-08-02  2:51 UTC (permalink / raw)
  To: viro; +Cc: linux-fsdevel, linux-kernel

plese ingore  it. 
On 2018/8/2 10:04, zhong jiang wrote:
> It is unncessary to use double test for a expression. so just
> remove one of them.
>
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
>  fs/binfmt_elf_fdpic.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
> index b53bb37..5162372 100644
> --- a/fs/binfmt_elf_fdpic.c
> +++ b/fs/binfmt_elf_fdpic.c
> @@ -1288,7 +1288,7 @@ static int writenote(struct memelfnote *men, struct coredump_params *cprm)
>  
>  	return dump_emit(cprm, &en, sizeof(en)) &&
>  		dump_emit(cprm, men->name, en.n_namesz) && dump_align(cprm, 4) &&
> -		dump_emit(cprm, men->data, men->datasz) && dump_align(cprm, 4);
> +		dump_emit(cprm, men->data, men->datasz);
>  }
>  
>  static inline void fill_elf_fdpic_header(struct elfhdr *elf, int segs)

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] fs/binfmt_elf_fdpic: remove redundant condition check in writenote
  2018-08-02  2:04 [PATCH] fs/binfmt_elf_fdpic: remove redundant condition check in writenote zhong jiang
  2018-08-02  2:51 ` zhong jiang
@ 2018-08-02  3:05 ` Al Viro
  1 sibling, 0 replies; 3+ messages in thread
From: Al Viro @ 2018-08-02  3:05 UTC (permalink / raw)
  To: zhong jiang; +Cc: linux-fsdevel, linux-kernel

On Thu, Aug 02, 2018 at 10:04:34AM +0800, zhong jiang wrote:
> It is unncessary to use double test for a expression. so just
> remove one of them.

... except when something in that expression might have side effects,
that is.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-08-02  4:54 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-08-02  2:04 [PATCH] fs/binfmt_elf_fdpic: remove redundant condition check in writenote zhong jiang
2018-08-02  2:51 ` zhong jiang
2018-08-02  3:05 ` Al Viro

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).