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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 21:14:23 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 21:14:23 +0400 |
| commit | 33217379becdee25021cabb25032b3bf703d0e96 (patch) | |
| tree | 27cfbb722a523950ec8c9f616f28a1767498601a | |
| parent | feeedc6c820e1026453ad865076cee435f24d30a (diff) | |
| parent | 30bc4dfd3b64eb1fbefe2c63e30d8fc129273e20 (diff) | |
| download | linux-33217379becdee25021cabb25032b3bf703d0e96.tar.xz | |
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.c | 19 | ||||
| -rw-r--r-- | fs/nfsd/nfssvc.c | 4 | ||||
| -rw-r--r-- | fs/nfsd/vfs.c | 6 |
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 |