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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:14:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 10:14:23 -0700
commit33217379becdee25021cabb25032b3bf703d0e96 (patch)
tree27cfbb722a523950ec8c9f616f28a1767498601a
parentfeeedc6c820e1026453ad865076cee435f24d30a (diff)
parent30bc4dfd3b64eb1fbefe2c63e30d8fc129273e20 (diff)
Merge branch 'for-2.6.28' of git://linux-nfs.org/~bfields/linux
* 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: nfsd: clean up expkey_parse error cases nfsd: Drop reference in expkey_parse error cases nfsd: Fix memory leak in nfsd_getxattr NFSD: Fix BUG during NFSD shutdown processing
-rw-r--r--fs/nfsd/export.c19
-rw-r--r--fs/nfsd/nfssvc.c4
-rw-r--r--fs/nfsd/vfs.c6
3 files changed, 19 insertions, 10 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 9dc036f18356..5cd882b8871a 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -99,7 +99,7 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
int fsidtype;
char *ep;
struct svc_expkey key;
- struct svc_expkey *ek;
+ struct svc_expkey *ek = NULL;
if (mesg[mlen-1] != '\n')
return -EINVAL;
@@ -107,7 +107,8 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
err = -ENOMEM;
- if (!buf) goto out;
+ if (!buf)
+ goto out;
err = -EINVAL;
if ((len=qword_get(&mesg, buf, PAGE_SIZE)) <= 0)
@@ -151,16 +152,16 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
/* now we want a pathname, or empty meaning NEGATIVE */
err = -EINVAL;
- if ((len=qword_get(&mesg, buf, PAGE_SIZE)) < 0)
+ len = qword_get(&mesg, buf, PAGE_SIZE);
+ if (len < 0)
goto out;
dprintk("Path seems to be <%s>\n", buf);
err = 0;
if (len == 0) {
set_bit(CACHE_NEGATIVE, &key.h.flags);
ek = svc_expkey_update(&key, ek);
- if (ek)
- cache_put(&ek->h, &svc_expkey_cache);
- else err = -ENOMEM;
+ if (!ek)
+ err = -ENOMEM;
} else {
struct nameidata nd;
err = path_lookup(buf, 0, &nd);
@@ -171,14 +172,14 @@ static int expkey_parse(struct cache_detail *cd, char *mesg, int mlen)
key.ek_path = nd.path;
ek = svc_expkey_update(&key, ek);
- if (ek)
- cache_put(&ek->h, &svc_expkey_cache);
- else
+ if (!ek)
err = -ENOMEM;
path_put(&nd.path);
}
cache_flush();
out:
+ if (ek)
+ cache_put(&ek->h, &svc_expkey_cache);
if (dom)
auth_domain_put(dom);
kfree(buf);
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 59eeb46f82c5..07e4f5d7baa8 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -249,6 +249,10 @@ static int nfsd_init_socks(int port)
if (error < 0)
return error;
+ error = lockd_up();
+ if (error < 0)
+ return error;
+
error = svc_create_xprt(nfsd_serv, "tcp", port,
SVC_SOCK_DEFAULTS);
if (error < 0)
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index aa1d0d6489a1..9609eb51d727 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -410,6 +410,7 @@ out_nfserr:
static ssize_t nfsd_getxattr(struct dentry *dentry, char *key, void **buf)
{
ssize_t buflen;
+ ssize_t ret;
buflen = vfs_getxattr(dentry, key, NULL, 0);
if (buflen <= 0)
@@ -419,7 +420,10 @@ static ssize_t nfsd_getxattr(struct dentry *dentry, char *key, void **buf)
if (!*buf)
return -ENOMEM;
- return vfs_getxattr(dentry, key, *buf, buflen);
+ ret = vfs_getxattr(dentry, key, *buf, buflen);
+ if (ret < 0)
+ kfree(*buf);
+ return ret;
}
#endif