From: Ashish Sangwan <a.sangwan@xxxxxxxxxxx> In do_fallocate, first there is check for FMODE_WRITE and after that there is second check for IS_IMMUTABLE. A file cannot be opened in write mode if the corresponding inode is immutable, hence the second check is not required. Signed-off-by: Ashish Sangwan <a.sangwan@xxxxxxxxxxx> Signed-off-by: Namjae Jeon <namjae.jeon@xxxxxxxxxxx> --- fs/open.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-) diff --git a/fs/open.c b/fs/open.c index 8c74100..939e402 100644 --- a/fs/open.c +++ b/fs/open.c @@ -245,9 +245,6 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (mode & FALLOC_FL_PUNCH_HOLE && IS_APPEND(inode)) return -EPERM; - if (IS_IMMUTABLE(inode)) - return -EPERM; - /* * Revalidate the write permissions, in case security policy has * changed since the files were opened. -- 1.7.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
