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| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-08-29 11:39:34 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-08-29 11:39:34 -0400 |
| commit | 83b7a664a0c7c39ccfa4c72535dc1c001d4e7a18 (patch) | |
| tree | 5ba3bbbe977c2047658b41e22d6b2abd5686bf15 /fs/namei.c | |
| parent | 8638460540749ddb1beca9e9a68d655a6fe6df65 (diff) | |
| parent | d96299537e43681942ea272e00b0e529aa5b5fa4 (diff) | |
| download | linux-83b7a664a0c7c39ccfa4c72535dc1c001d4e7a18.tar.gz linux-83b7a664a0c7c39ccfa4c72535dc1c001d4e7a18.tar.bz2 linux-83b7a664a0c7c39ccfa4c72535dc1c001d4e7a18.zip | |
Merge branch 'master' into gfs2
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c index 55a131230f94..432d6bc6fab0 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -227,10 +227,10 @@ int generic_permission(struct inode *inode, int mask, int permission(struct inode *inode, int mask, struct nameidata *nd) { + umode_t mode = inode->i_mode; int retval, submask; if (mask & MAY_WRITE) { - umode_t mode = inode->i_mode; /* * Nobody gets write access to a read-only fs. @@ -247,6 +247,13 @@ int permission(struct inode *inode, int mask, struct nameidata *nd) } + /* + * MAY_EXEC on regular files requires special handling: We override + * filesystem execute permissions if the mode bits aren't set. + */ + if ((mask & MAY_EXEC) && S_ISREG(mode) && !(mode & S_IXUGO)) + return -EACCES; + /* Ordinary permission routines do not understand MAY_APPEND. */ submask = mask & ~MAY_APPEND; if (inode->i_op && inode->i_op->permission) @@ -1767,6 +1774,8 @@ struct dentry *lookup_create(struct nameidata *nd, int is_dir) if (nd->last_type != LAST_NORM) goto fail; nd->flags &= ~LOOKUP_PARENT; + nd->flags |= LOOKUP_CREATE; + nd->intent.open.flags = O_EXCL; /* * Do the final lookup. |