diff options
| author | J. Bruce Fields <bfields@snoopy.citi.umich.edu> | 2007-02-16 01:28:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-16 08:14:01 -0800 |
| commit | a4db5fe5dfb3a5b5b550f1acd95ef3de01a3f063 (patch) | |
| tree | 38d4ebad2877789d481185c973dbba449cbaee61 | |
| parent | 28e05dd8457c7a7fa1c3faac169a95e0ce4b4a12 (diff) | |
| download | linux-a4db5fe5dfb3a5b5b550f1acd95ef3de01a3f063.tar.bz2 | |
[PATCH] knfsd: nfsd4: fix memory leak on kmalloc failure in savemem
The wrong pointer is being kfree'd in savemem() when defer_free returns with
an error.
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index fbb4af969243..bb0f1860f582 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -199,24 +199,22 @@ defer_free(struct nfsd4_compoundargs *argp, static char *savemem(struct nfsd4_compoundargs *argp, __be32 *p, int nbytes) { - void *new = NULL; if (p == argp->tmp) { - new = kmalloc(nbytes, GFP_KERNEL); - if (!new) return NULL; - p = new; + p = kmalloc(nbytes, GFP_KERNEL); + if (!p) + return NULL; memcpy(p, argp->tmp, nbytes); } else { BUG_ON(p != argp->tmpp); argp->tmpp = NULL; } if (defer_free(argp, kfree, p)) { - kfree(new); + kfree(p); return NULL; } else return (char *)p; } - static __be32 nfsd4_decode_bitmap(struct nfsd4_compoundargs *argp, u32 *bmval) { |