Re: [PATCH] staging: Replace kzalloc and memcpy by kmemdup

[Drokin, Oleg]

Thanks!
But rather than that, this whole function (lprocfs_exp_setup) needs to go, since it's not used by anything on the client.
The removal is sitting in my queue of "stop using procfs in lustre" patches that I am going to submit real soon now and this patch would just create
an unnecessary conflict.

On May 20, 2015, at 3:04 AM, Dumbre, Nitesh Dilip (N.) wrote:

> This patch was generated by coccicheck and replaces kzalloc followed
> by memcpy with kmemdup
> 
> Signed-off-by: Nitesh Dumbre <ndumbre@xxxxxxxxxxx>
> 
> diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
> index 57c6ddd..c988be4 100644
> --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
> +++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c
> @@ -1711,13 +1711,12 @@ int lprocfs_exp_setup(struct obd_export *exp, lnet_nid_t *nid, int *newnid)
> 		goto destroy_new;
> 	}
> 	/* not found - create */
> -	buffer = kzalloc(LNET_NIDSTR_SIZE, GFP_NOFS);
> +	buffer = kmemdup(libcfs_nid2str(*nid), LNET_NIDSTR_SIZE, GFP_NOFS);
> 	if (buffer == NULL) {
> 		rc = -ENOMEM;
> 		goto destroy_new;
> 	}
> 
> -	memcpy(buffer, libcfs_nid2str(*nid), LNET_NIDSTR_SIZE);
> 	new_stat->nid_proc = lprocfs_register(buffer,
> 					      obd->obd_proc_exports_entry,
> 					      NULL, NULL);
> -- 
> 1.7.9.5

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