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fs: ext4: fix symlink read function 

From U-Boot commit:

| commit 37f23885e4905ff500a8524328aa3084ac11cdb4
| Author: Ronald Zachariah <rozachar@cisco.com>
| Date:   Thu Apr 28 07:08:34 2016 +0200
|
|     fs: ext4: fix symlink read function
|
|     The function ext4fs_read_symlink was unable to handle a symlink
|     which had target name of exactly 60 characters.
|
|     Signed-off-by: Ronald Zachariah <rozachar@cisco.com>
|     Signed-off-by: Stefan Roese <sr@denx.de>
|     Reviewed-by: Stephen Warren <swarren@nvidia.com>
|     Cc: Tom Rini <trini@konsulko.com>

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Ronald Zachariah 2016-07-06 22:58:44 +03:00 committed by Sascha Hauer
parent 90326eba5a
commit 3dc604d636
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/ext4_common.c
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@ -377,7 +377,7 @@ char *ext4fs_read_symlink(struct ext2fs_node *node)
if (!symlink)
return 0;
if (__le32_to_cpu(diro->inode.size) <= 60) {
if (__le32_to_cpu(diro->inode.size) < sizeof(diro->inode.b.symlink)) {
strncpy(symlink, diro->inode.b.symlink,
__le32_to_cpu(diro->inode.size));
} else {