* [patch] nfsd4: typo logical vs bitwise negate
@ 2011-10-17 7:41 Dan Carpenter
2011-10-17 12:35 ` J. Bruce Fields
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2011-10-17 7:41 UTC (permalink / raw)
To: J. Bruce Fields; +Cc: Neil Brown, linux-nfs, kernel-janitors
This should be a bitwise negate here. It silences a Sparse warning:
fs/nfsd/nfs4xdr.c:693:16: warning: dubious: x & !y
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 2cab33c..645a0a9 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -690,7 +690,7 @@ static __be32 nfsd4_decode_share_deny(struct nfsd4_compoundargs *argp, u32 *x)
READ_BUF(4);
READ32(*x);
/* Note: unlinke access bits, deny bits may be zero. */
- if (*x & !NFS4_SHARE_DENY_BOTH)
+ if (*x & ~NFS4_SHARE_DENY_BOTH)
return nfserr_bad_xdr;
return nfs_ok;
xdr_error:
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [patch] nfsd4: typo logical vs bitwise negate
2011-10-17 7:41 [patch] nfsd4: typo logical vs bitwise negate Dan Carpenter
@ 2011-10-17 12:35 ` J. Bruce Fields
0 siblings, 0 replies; 2+ messages in thread
From: J. Bruce Fields @ 2011-10-17 12:35 UTC (permalink / raw)
To: Dan Carpenter; +Cc: Neil Brown, linux-nfs, kernel-janitors
On Mon, Oct 17, 2011 at 10:41:17AM +0300, Dan Carpenter wrote:
> This should be a bitwise negate here. It silences a Sparse warning:
> fs/nfsd/nfs4xdr.c:693:16: warning: dubious: x & !y
Whoops, thanks for catching that!
Applying for 3.2.--b.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
> index 2cab33c..645a0a9 100644
> --- a/fs/nfsd/nfs4xdr.c
> +++ b/fs/nfsd/nfs4xdr.c
> @@ -690,7 +690,7 @@ static __be32 nfsd4_decode_share_deny(struct nfsd4_compoundargs *argp, u32 *x)
> READ_BUF(4);
> READ32(*x);
> /* Note: unlinke access bits, deny bits may be zero. */
> - if (*x & !NFS4_SHARE_DENY_BOTH)
> + if (*x & ~NFS4_SHARE_DENY_BOTH)
> return nfserr_bad_xdr;
> return nfs_ok;
> xdr_error:
^ permalink raw reply [flat|nested] 2+ messages in thread
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