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| author | J. Bruce Fields <bfields@citi.umich.edu> | 2008-10-20 16:34:21 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2008-10-22 14:05:30 -0400 |
| commit | 30bc4dfd3b64eb1fbefe2c63e30d8fc129273e20 (patch) | |
| tree | 84e7f997d96aa51c89b166cd0d209c9015f6083d /fs/nfsd/export.c | |
| parent | 6dfcde98a299196f13dd66417663a819f0ac4156 (diff) | |
| download | linux-30bc4dfd3b64eb1fbefe2c63e30d8fc129273e20.tar.gz linux-30bc4dfd3b64eb1fbefe2c63e30d8fc129273e20.tar.bz2 linux-30bc4dfd3b64eb1fbefe2c63e30d8fc129273e20.zip | |
nfsd: clean up expkey_parse error cases
We might as well do all of these at the end. Fix up a couple minor
style nits while we're there.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd/export.c')
| -rw-r--r-- | fs/nfsd/export.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 7ce2c6e4e23e..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) @@ -151,38 +152,34 @@ 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) { - cache_put(&ek->h, &svc_expkey_cache); + 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); - if (err) { - cache_put(&ek->h, &svc_expkey_cache); + if (err) goto out; - } dprintk("Found the path %s\n", buf); 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); |