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* [patch] staging: lustre/ptlrpc:  small leak on allocation failure
@ 2016-11-24 11:12 Dan Carpenter
  2016-11-25 23:16 ` [lustre-devel] " Dilger, Andreas
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2016-11-24 11:12 UTC (permalink / raw)
  To: Oleg Drokin
  Cc: Andreas Dilger, James Simmons, Greg Kroah-Hartman, Liang Zhen,
	Vitaly Fertman, frank zago, Sebastien Buisson, Amir Shehata,
	Niu Yawei, lustre-devel, devel, linux-kernel, kernel-janitors

We should free "desc" before returning NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c
index ac959ef..8047413 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/client.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/client.c
@@ -128,12 +128,12 @@ struct ptlrpc_bulk_desc *ptlrpc_new_bulk(unsigned int nfrags,
 		GET_KIOV(desc) = kcalloc(nfrags, sizeof(*GET_KIOV(desc)),
 					 GFP_NOFS);
 		if (!GET_KIOV(desc))
-			goto out;
+			goto free_desc;
 	} else {
 		GET_KVEC(desc) = kcalloc(nfrags, sizeof(*GET_KVEC(desc)),
 					 GFP_NOFS);
 		if (!GET_KVEC(desc))
-			goto out;
+			goto free_desc;
 	}
 
 	spin_lock_init(&desc->bd_lock);
@@ -154,7 +154,8 @@ struct ptlrpc_bulk_desc *ptlrpc_new_bulk(unsigned int nfrags,
 		LNetInvalidateHandle(&desc->bd_mds[i]);
 
 	return desc;
-out:
+free_desc:
+	kfree(desc);
 	return NULL;
 }
 

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [lustre-devel] [patch] staging: lustre/ptlrpc: small leak on allocation failure
  2016-11-24 11:12 [patch] staging: lustre/ptlrpc: small leak on allocation failure Dan Carpenter
@ 2016-11-25 23:16 ` Dilger, Andreas
  0 siblings, 0 replies; 2+ messages in thread
From: Dilger, Andreas @ 2016-11-25 23:16 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Drokin, Oleg, devel, Sebastien Buisson, Greg Kroah-Hartman,
	kernel-janitors, Linux Kernel Mailing List, Vitaly Fertman,
	frank zago, Shehata, Amir, lustre-devel

On Nov 24, 2016, at 04:12, Dan Carpenter <dan.carpenter@oracle.com> wrote:
> 
> We should free "desc" before returning NULL.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>

> diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c
> index ac959ef..8047413 100644
> --- a/drivers/staging/lustre/lustre/ptlrpc/client.c
> +++ b/drivers/staging/lustre/lustre/ptlrpc/client.c
> @@ -128,12 +128,12 @@ struct ptlrpc_bulk_desc *ptlrpc_new_bulk(unsigned int nfrags,
> 		GET_KIOV(desc) = kcalloc(nfrags, sizeof(*GET_KIOV(desc)),
> 					 GFP_NOFS);
> 		if (!GET_KIOV(desc))
> -			goto out;
> +			goto free_desc;
> 	} else {
> 		GET_KVEC(desc) = kcalloc(nfrags, sizeof(*GET_KVEC(desc)),
> 					 GFP_NOFS);
> 		if (!GET_KVEC(desc))
> -			goto out;
> +			goto free_desc;
> 	}
> 
> 	spin_lock_init(&desc->bd_lock);
> @@ -154,7 +154,8 @@ struct ptlrpc_bulk_desc *ptlrpc_new_bulk(unsigned int nfrags,
> 		LNetInvalidateHandle(&desc->bd_mds[i]);
> 
> 	return desc;
> -out:
> +free_desc:
> +	kfree(desc);
> 	return NULL;
> }
> 
> _______________________________________________
> lustre-devel mailing list
> lustre-devel@lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-devel-lustre.org

^ permalink raw reply	[flat|nested] 2+ messages in thread

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