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Message-ID: <alpine.DEB.2.10.1505301431050.2314@hadrien>
Date: Sat, 30 May 2015 14:31:31 +0200 (CEST)
From: Julia Lawall <julia.lawall@...6.fr>
To: "Dighe, Niranjan (N.)" <ndighe@...teon.com>
cc: "oleg.drokin@...el.com" <oleg.drokin@...el.com>,
"andreas.dilger@...el.com" <andreas.dilger@...el.com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"Julia.Lawall@...6.fr" <Julia.Lawall@...6.fr>,
"gdonald@...il.com" <gdonald@...il.com>,
"rd@...ekdostal.com" <rd@...ekdostal.com>,
"uja.ornl@...il.com" <uja.ornl@...il.com>,
"joe@...ches.com" <joe@...ches.com>,
"HPDD-discuss@...ts.01.org" <HPDD-discuss@...1.01.org>,
"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Staging: lustre: Replace kzalloc followed by memcpy with
kmemdup
On Sat, 30 May 2015, Dighe, Niranjan (N.) wrote:
> Replace kzalloc followed by memcpy by kmemdup. This patch was generated
> by 'make coccicheck'
>
> Signed-off-by: Niranjan Dighe <ndighe@...teon.com>
You need a --- here. Also it is nice to put a diffstat below.
julia
>
> diff --git a/drivers/staging/lustre/lustre/obdclass/obd_config.c b/drivers/staging/lustre/lustre/obdclass/obd_config.c
> index 0bda9c5..274cae3 100644
> --- a/drivers/staging/lustre/lustre/obdclass/obd_config.c
> +++ b/drivers/staging/lustre/lustre/obdclass/obd_config.c
> @@ -866,29 +866,26 @@ int class_add_profile(int proflen, char *prof, int osclen, char *osc,
> INIT_LIST_HEAD(&lprof->lp_list);
>
> LASSERT(proflen == (strlen(prof) + 1));
> - lprof->lp_profile = kzalloc(proflen, GFP_NOFS);
> + lprof->lp_profile = kmemdup(prof, proflen, GFP_NOFS);
> if (lprof->lp_profile == NULL) {
> err = -ENOMEM;
> goto free_lprof;
> }
> - memcpy(lprof->lp_profile, prof, proflen);
>
> LASSERT(osclen == (strlen(osc) + 1));
> - lprof->lp_dt = kzalloc(osclen, GFP_NOFS);
> + lprof->lp_dt = kmemdup(osc, osclen, GFP_NOFS);
> if (lprof->lp_dt == NULL) {
> err = -ENOMEM;
> goto free_lp_profile;
> }
> - memcpy(lprof->lp_dt, osc, osclen);
>
> if (mdclen > 0) {
> LASSERT(mdclen == (strlen(mdc) + 1));
> - lprof->lp_md = kzalloc(mdclen, GFP_NOFS);
> + lprof->lp_md = kmemdup(mdc, mdclen, GFP_NOFS);
> if (lprof->lp_md == NULL) {
> err = -ENOMEM;
> goto free_lp_dt;
> }
> - memcpy(lprof->lp_md, mdc, mdclen);
> }
>
> list_add(&lprof->lp_list, &lustre_profile_list);
> --
> 1.9.1
>
--
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