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-rw-r--r--fs/namei.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 09ce58e..42d7b76 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);
}
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