diff options
Diffstat (limited to 'fs/jffs2/symlink.c')
| -rw-r--r-- | fs/jffs2/symlink.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/jffs2/symlink.c b/fs/jffs2/symlink.c index 65ab6b001dca..82ef484f5e12 100644 --- a/fs/jffs2/symlink.c +++ b/fs/jffs2/symlink.c | |||
| @@ -18,7 +18,7 @@ | |||
| 18 | #include <linux/namei.h> | 18 | #include <linux/namei.h> |
| 19 | #include "nodelist.h" | 19 | #include "nodelist.h" |
| 20 | 20 | ||
| 21 | static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd); | 21 | static void *jffs2_follow_link(struct dentry *dentry, struct nameidata *nd); |
| 22 | 22 | ||
| 23 | struct inode_operations jffs2_symlink_inode_operations = | 23 | struct inode_operations jffs2_symlink_inode_operations = |
| 24 | { | 24 | { |
| @@ -27,9 +27,10 @@ struct inode_operations jffs2_symlink_inode_operations = | |||
| 27 | .setattr = jffs2_setattr | 27 | .setattr = jffs2_setattr |
| 28 | }; | 28 | }; |
| 29 | 29 | ||
| 30 | static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd) | 30 | static void *jffs2_follow_link(struct dentry *dentry, struct nameidata *nd) |
| 31 | { | 31 | { |
| 32 | struct jffs2_inode_info *f = JFFS2_INODE_INFO(dentry->d_inode); | 32 | struct jffs2_inode_info *f = JFFS2_INODE_INFO(dentry->d_inode); |
| 33 | char *p = (char *)f->dents; | ||
| 33 | 34 | ||
| 34 | /* | 35 | /* |
| 35 | * We don't acquire the f->sem mutex here since the only data we | 36 | * We don't acquire the f->sem mutex here since the only data we |
| @@ -45,19 +46,20 @@ static int jffs2_follow_link(struct dentry *dentry, struct nameidata *nd) | |||
| 45 | * nd_set_link() call. | 46 | * nd_set_link() call. |
| 46 | */ | 47 | */ |
| 47 | 48 | ||
| 48 | if (!f->dents) { | 49 | if (!p) { |
| 49 | printk(KERN_ERR "jffs2_follow_link(): can't find symlink taerget\n"); | 50 | printk(KERN_ERR "jffs2_follow_link(): can't find symlink taerget\n"); |
| 50 | return -EIO; | 51 | p = ERR_PTR(-EIO); |
| 52 | } else { | ||
| 53 | D1(printk(KERN_DEBUG "jffs2_follow_link(): target path is '%s'\n", (char *) f->dents)); | ||
| 51 | } | 54 | } |
| 52 | D1(printk(KERN_DEBUG "jffs2_follow_link(): target path is '%s'\n", (char *) f->dents)); | ||
| 53 | 55 | ||
| 54 | nd_set_link(nd, (char *)f->dents); | 56 | nd_set_link(nd, p); |
| 55 | 57 | ||
| 56 | /* | 58 | /* |
| 57 | * We unlock the f->sem mutex but VFS will use the f->dents string. This is safe | 59 | * We unlock the f->sem mutex but VFS will use the f->dents string. This is safe |
| 58 | * since the only way that may cause f->dents to be changed is iput() operation. | 60 | * since the only way that may cause f->dents to be changed is iput() operation. |
| 59 | * But VFS will not use f->dents after iput() has been called. | 61 | * But VFS will not use f->dents after iput() has been called. |
| 60 | */ | 62 | */ |
| 61 | return 0; | 63 | return NULL; |
| 62 | } | 64 | } |
| 63 | 65 | ||
