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Commit ba599aca authored by NeilBrown's avatar NeilBrown
Browse files

md: fix error paths from bitmap_create. 



Recent change to bitmap_create mishandles errors.
In particular a failure doesn't alway cause 'err' to be set.

Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 1aee41f6

drivers/md/md.c

+4 −2
Original line number Diff line number Diff line
@@ -6118,7 +6118,8 @@ static int set_bitmap_file(struct mddev *mddev, int fd) 
			if (!IS_ERR(bitmap)) {

				mddev->bitmap = bitmap;

				err = bitmap_load(mddev);

			}

			} else

				err = PTR_ERR(bitmap);

		}

		if (fd < 0 || err) {

			bitmap_destroy(mddev);
@@ -6408,7 +6409,8 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) 
			if (!IS_ERR(bitmap)) {

				mddev->bitmap = bitmap;

				rv = bitmap_load(mddev);

			}

			} else

				rv = PTR_ERR(bitmap);

			if (rv)

				bitmap_destroy(mddev);

			mddev->pers->quiesce(mddev, 0);