Commit f5eb4d3b authored Apr 26, 2019 by Ming Lei Committed by Jens Axboe May 01, 2019

iov_iter: fix iov_iter_type



Commit 875f1d07 ("iov_iter: add ITER_BVEC_FLAG_NO_REF flag")
introduces one extra flag of ITER_BVEC_FLAG_NO_REF, and this flag
is stored into iter->type.

However, iov_iter_type() doesn't consider the new added flag, fix
it by masking this flag in iov_iter_type().

Fixes: 875f1d07 ("iov_iter: add ITER_BVEC_FLAG_NO_REF flag")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 60a27b90

include/linux/uio.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -60,7 +60,7 @@ struct iov_iter {

		static inline enum iter_type iov_iter_type(const struct iov_iter *i)
		{
		return i->type & ~(READ \| WRITE);
		return i->type & ~(READ \| WRITE \| ITER_BVEC_FLAG_NO_REF);
		}

		static inline bool iter_is_iovec(const struct iov_iter *i)

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