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| author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-09-20 14:46:13 -0400 |
|---|---|---|
| committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-09-20 14:46:13 -0400 |
| commit | 78ba6223a14eac73a1fbfc35bd456348171bffc6 (patch) | |
| tree | db50b17e03f3772443798415654c873d769a54ec /fs/befs/linuxvfs.c | |
| parent | f392cbf75615e9d8cb90ef5ffb8d4e752b7be3c7 (diff) | |
| parent | 04aa37b5f943920017ad094e776cd5514b1a9246 (diff) | |
Merge commit 'v3.0.4' into linaro-3.0linux-linaro-3.0-2011.09-0
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; |