diff options
| author | David S. Miller <davem@davemloft.net> | 2011-09-22 03:23:13 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-09-22 03:23:13 -0400 |
| commit | 8decf868790b48a727d7e7ca164f2bcd3c1389c0 (patch) | |
| tree | b759a5f861f842af7ea76f9011b579d06e9d5508 /fs/befs/linuxvfs.c | |
| parent | 3fc72370186be2f9d4d6ef06d99e1caa5d92c564 (diff) | |
| parent | d93dc5c4478c1fd5de85a3e8aece9aad7bbae044 (diff) | |
Merge branch 'master' of github.com:davem330/net
Conflicts:
MAINTAINERS
drivers/net/Kconfig
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
drivers/net/ethernet/broadcom/tg3.c
drivers/net/wireless/iwlwifi/iwl-pci.c
drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c
drivers/net/wireless/rt2x00/rt2800usb.c
drivers/net/wireless/wl12xx/main.c
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 54b8c28bebc8..720d885e8dca 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; |