* [PATCH] nfsd: Fix a memory leak when meeting unsupported state_protect_how4
@ 2016-02-26 14:36 Kinglong Mee
2016-02-26 16:01 ` J. Bruce Fields
0 siblings, 1 reply; 2+ messages in thread
From: Kinglong Mee @ 2016-02-26 14:36 UTC (permalink / raw)
To: J. Bruce Fields; +Cc: linux-nfs, kinglongmee
Remember free allocated client when meeting unsupported state protect how.
Fixes: 50c7b948adbd ("nfsd: minor consolidation of mach_cred handling code")
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
fs/nfsd/nfs4state.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c484a2b..9d20c6a 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2408,7 +2408,8 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
default: /* checked by xdr code */
WARN_ON_ONCE(1);
case SP4_SSV:
- return nfserr_encr_alg_unsupp;
+ status = nfserr_encr_alg_unsupp;
+ goto out_nolock;
}
/* Cases below refer to rfc 5661 section 18.35.4: */
--
2.5.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] nfsd: Fix a memory leak when meeting unsupported state_protect_how4
2016-02-26 14:36 [PATCH] nfsd: Fix a memory leak when meeting unsupported state_protect_how4 Kinglong Mee
@ 2016-02-26 16:01 ` J. Bruce Fields
0 siblings, 0 replies; 2+ messages in thread
From: J. Bruce Fields @ 2016-02-26 16:01 UTC (permalink / raw)
To: Kinglong Mee; +Cc: linux-nfs
On Fri, Feb 26, 2016 at 10:36:42PM +0800, Kinglong Mee wrote:
> Remember free allocated client when meeting unsupported state protect how.
Thanks for catching that!
Impact looks minimal for now as it's a leak in a case no current client
exercises, as far as I know.
Queueing up for 4.5.
--b.
>
> Fixes: 50c7b948adbd ("nfsd: minor consolidation of mach_cred handling code")
> Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
> ---
> fs/nfsd/nfs4state.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index c484a2b..9d20c6a 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -2408,7 +2408,8 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
> default: /* checked by xdr code */
> WARN_ON_ONCE(1);
> case SP4_SSV:
> - return nfserr_encr_alg_unsupp;
> + status = nfserr_encr_alg_unsupp;
> + goto out_nolock;
> }
>
> /* Cases below refer to rfc 5661 section 18.35.4: */
> --
> 2.5.0
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2016-02-26 16:01 ` J. Bruce Fields
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