Index: kern/kern_physio.c
===================================================================
RCS file: /cvs/src/sys/kern/kern_physio.c,v
retrieving revision 1.49
diff -u -p -r1.49 kern_physio.c
--- kern/kern_physio.c	3 Feb 2024 18:51:58 -0000	1.49
+++ kern/kern_physio.c	15 Oct 2025 00:10:04 -0000
@@ -115,10 +115,7 @@ physio(void (*strategy)(struct buf *), d
 			 * limit b_bcount to LONG_MAX before calling the
 			 * provided minphys.
 			 */
-			if (iovp->iov_len > LONG_MAX)
-				bp->b_bcount = LONG_MAX;
-			else
-				bp->b_bcount = iovp->iov_len;
+			bp->b_bcount = MIN(iovp->iov_len, LONG_MAX);
 
 			/*
 			 * [call minphys to bound the transfer size]