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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-30 08:02:35 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-30 08:02:35 +1030 |
| commit | 33edcf133ba93ecba2e4b6472e97b689895d805c (patch) | |
| tree | 327d7a20acef64005e7c5ccbfa1265be28aeb6ac /fs/namei.c | |
| parent | be4d638c1597580ed2294d899d9f1a2cd10e462c (diff) | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
| download | lwn-33edcf133ba93ecba2e4b6472e97b689895d805c.tar.gz lwn-33edcf133ba93ecba2e4b6472e97b689895d805c.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/namei.c b/fs/namei.c index d34e0f9681c6..af3783fff1de 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -186,7 +186,7 @@ int generic_permission(struct inode *inode, int mask, mask &= MAY_READ | MAY_WRITE | MAY_EXEC; - if (current->fsuid == inode->i_uid) + if (current_fsuid() == inode->i_uid) mode >>= 6; else { if (IS_POSIXACL(inode) && (mode & S_IRWXG) && check_acl) { @@ -441,7 +441,7 @@ static int exec_permission_lite(struct inode *inode) if (inode->i_op && inode->i_op->permission) return -EAGAIN; - if (current->fsuid == inode->i_uid) + if (current_fsuid() == inode->i_uid) mode >>= 6; else if (in_group_p(inode->i_gid)) mode >>= 3; @@ -1334,11 +1334,13 @@ static int user_path_parent(int dfd, const char __user *path, */ static inline int check_sticky(struct inode *dir, struct inode *inode) { + uid_t fsuid = current_fsuid(); + if (!(dir->i_mode & S_ISVTX)) return 0; - if (inode->i_uid == current->fsuid) + if (inode->i_uid == fsuid) return 0; - if (dir->i_uid == current->fsuid) + if (dir->i_uid == fsuid) return 0; return !capable(CAP_FOWNER); } |