This way userspace can probe for actually supported flags. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- fs/open.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/open.c b/fs/open.c index 949cef29c3bb..9106ed7310f0 100644 --- a/fs/open.c +++ b/fs/open.c @@ -900,6 +900,9 @@ static inline int build_open_flags(int flags, umode_t mode, struct open_flags *o int lookup_flags = 0; int acc_mode = ACC_MODE(flags); + if (flags & ~VALID_OPEN_FLAGS) + return -EINVAL; + if (flags & (O_CREAT | __O_TMPFILE)) op->mode = (mode & S_IALLUGO) | S_IFREG; else -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
