Since last API changes for files >2GB, the read of symlink is broken as
ext4fs_read_file now returns 0 instead of the length of the actual read.
Signed-off-by: Gary Bisson <gary.bis...@boundarydevices.com>
---
Hi all,
Switching from an old v2014.07 to v2015.07 we've noticed that we couldn't
read symlinks any more. This is due to the API changes made to
ext4fs_read_file (commit 9f12cd0).
This patch makes the read symlink check both for errors (status < 0) and
actual read length.
Regards,
Gary
---
fs/ext4/ext4_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/ext4_common.c b/fs/ext4/ext4_common.c
index cab5465..e2ab145 100644
--- a/fs/ext4/ext4_common.c
+++ b/fs/ext4/ext4_common.c
@@ -2040,7 +2040,7 @@ static char *ext4fs_read_symlink(struct ext2fs_node *node)
status = ext4fs_read_file(diro, 0,
__le32_to_cpu(diro->inode.size),
symlink, &actread);
- if (status == 0) {
+ if ((status < 0) || (actread == 0)) {
free(symlink);
return 0;
}
--
2.5.1
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