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| author | KaiGai Kohei <kaigai@ak.jp.nec.com> | 2006-07-02 16:13:46 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-07-02 16:13:46 +0200 |
| commit | c7afb0f97700e73109564f83c35bfeeb14cb653b (patch) | |
| tree | bd1c0f0e3b095e0dea15d569967a50703e05586e | |
| parent | fs/jffs2/: make 2 functions static (diff) | |
| download | linux-c7afb0f97700e73109564f83c35bfeeb14cb653b.tar.xz linux-c7afb0f97700e73109564f83c35bfeeb14cb653b.zip | |
[JFFS2][XATTR] Fix memory leak in POSIX-ACL support
jffs2_clear_acl() which releases acl caches allocated by kmalloc()
was defined but it was never called. Thus, we faced to the risk
of memory leaking.
This patch plugs jffs2_clear_acl() into jffs2_do_clear_inode().
It ensures to release acl cache when inode is cleared.
Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| -rw-r--r-- | fs/jffs2/acl.c | 4 | ||||
| -rw-r--r-- | fs/jffs2/acl.h | 4 | ||||
| -rw-r--r-- | fs/jffs2/readinode.c | 1 |
3 files changed, 4 insertions, 5 deletions
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index 9c2077e7e081..0ae3cd10702c 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -345,10 +345,8 @@ int jffs2_init_acl(struct inode *inode, struct inode *dir) return rc; } -void jffs2_clear_acl(struct inode *inode) +void jffs2_clear_acl(struct jffs2_inode_info *f) { - struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode); - if (f->i_acl_access && f->i_acl_access != JFFS2_ACL_NOT_CACHED) { posix_acl_release(f->i_acl_access); f->i_acl_access = JFFS2_ACL_NOT_CACHED; diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h index 8893bd1a6ba7..fa327dbd3171 100644 --- a/fs/jffs2/acl.h +++ b/fs/jffs2/acl.h @@ -30,7 +30,7 @@ struct jffs2_acl_header { extern int jffs2_permission(struct inode *, int, struct nameidata *); extern int jffs2_acl_chmod(struct inode *); extern int jffs2_init_acl(struct inode *, struct inode *); -extern void jffs2_clear_acl(struct inode *); +extern void jffs2_clear_acl(struct jffs2_inode_info *); extern struct xattr_handler jffs2_acl_access_xattr_handler; extern struct xattr_handler jffs2_acl_default_xattr_handler; @@ -40,6 +40,6 @@ extern struct xattr_handler jffs2_acl_default_xattr_handler; #define jffs2_permission NULL #define jffs2_acl_chmod(inode) (0) #define jffs2_init_acl(inode,dir) (0) -#define jffs2_clear_acl(inode) +#define jffs2_clear_acl(f) #endif /* CONFIG_JFFS2_FS_POSIX_ACL */ diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c index cc1899268c43..266423b2709d 100644 --- a/fs/jffs2/readinode.c +++ b/fs/jffs2/readinode.c @@ -968,6 +968,7 @@ void jffs2_do_clear_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f) struct jffs2_full_dirent *fd, *fds; int deleted; + jffs2_clear_acl(f); jffs2_xattr_delete_inode(c, f->inocache); down(&f->sem); deleted = f->inocache && !f->inocache->nlink; |