ublk: consolidate UBLK_IO_FLAG_{ACTIVE,OWNED_BY_SRV} checks

UBLK_IO_FLAG_ACTIVE and UBLK_IO_FLAG_OWNED_BY_SRV are mutually
exclusive. So just check that UBLK_IO_FLAG_OWNED_BY_SRV is set in
__ublk_ch_uring_cmd(); that implies UBLK_IO_FLAG_ACTIVE is unset.

Signed-off-by: Caleb Sander Mateos <[email protected]>
Reviewed-by: Ming Lei <[email protected]>

Author: calebsander

drivers/block/ublk_drv.c

@@ -2210,14 +2210,11 @@ static int __ublk_ch_uring_cmd(struct io_uring_cmd *cmd,
 		goto out;
 
 	/* there is pending io cmd, something must be wrong */
-	if (io->flags & UBLK_IO_FLAG_ACTIVE) {
+	if (!(io->flags & UBLK_IO_FLAG_OWNED_BY_SRV)) {
 		ret = -EBUSY;
 		goto out;
 	}
 
-	if (!(io->flags & UBLK_IO_FLAG_OWNED_BY_SRV))
-		goto out;
-
 	/*
 	 * ensure that the user issues UBLK_IO_NEED_GET_DATA
 	 * iff the driver have set the UBLK_IO_FLAG_NEED_GET_DATA.