diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-09-26 12:53:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-09-26 12:54:28 +0200 |
| commit | ed3982cf3748b657ffb79d9d1c2e4a562661db2d (patch) | |
| tree | 6e3654f460e23aa1b1512896aa3f03886a69be1b /fs/befs/linuxvfs.c | |
| parent | cba9bd22a5f8f857534b9a7f3fb3cafa0ac5fb75 (diff) | |
| parent | d93dc5c4478c1fd5de85a3e8aece9aad7bbae044 (diff) | |
Merge commit 'v3.1-rc7' into perf/core
Merge reason: Pick up the latest upstream fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/befs/linuxvfs.c')
| -rw-r--r-- | fs/befs/linuxvfs.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index 54b8c28bebc..720d885e8dc 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -474,17 +474,22 @@ befs_follow_link(struct dentry *dentry, struct nameidata *nd) befs_data_stream *data = &befs_ino->i_data.ds; befs_off_t len = data->size; - befs_debug(sb, "Follow long symlink"); - - link = kmalloc(len, GFP_NOFS); - if (!link) { - link = ERR_PTR(-ENOMEM); - } else if (befs_read_lsymlink(sb, data, link, len) != len) { - kfree(link); - befs_error(sb, "Failed to read entire long symlink"); + if (len == 0) { + befs_error(sb, "Long symlink with illegal length"); link = ERR_PTR(-EIO); } else { - link[len - 1] = '\0'; + befs_debug(sb, "Follow long symlink"); + + link = kmalloc(len, GFP_NOFS); + if (!link) { + link = ERR_PTR(-ENOMEM); + } else if (befs_read_lsymlink(sb, data, link, len) != len) { + kfree(link); + befs_error(sb, "Failed to read entire long symlink"); + link = ERR_PTR(-EIO); + } else { + link[len - 1] = '\0'; + } } } else { link = befs_ino->i_data.symlink; |