Module Name:    src
Committed By:   skrll
Date:           Fri Feb 17 06:34:46 UTC 2023

Modified Files:
        src/sys/kern: subr_pool.c

Log Message:
Avoid undefined behaviour.


To generate a diff of this commit:
cvs rdiff -u -r1.285 -r1.286 src/sys/kern/subr_pool.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/kern/subr_pool.c
diff -u src/sys/kern/subr_pool.c:1.285 src/sys/kern/subr_pool.c:1.286
--- src/sys/kern/subr_pool.c:1.285	Sat Jul 16 10:20:21 2022
+++ src/sys/kern/subr_pool.c	Fri Feb 17 06:34:46 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: subr_pool.c,v 1.285 2022/07/16 10:20:21 simonb Exp $	*/
+/*	$NetBSD: subr_pool.c,v 1.286 2023/02/17 06:34:46 skrll Exp $	*/
 
 /*
  * Copyright (c) 1997, 1999, 2000, 2002, 2007, 2008, 2010, 2014, 2015, 2018,
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.285 2022/07/16 10:20:21 simonb Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.286 2023/02/17 06:34:46 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_ddb.h"
@@ -3317,7 +3317,7 @@ pool_allocated(struct pool *pp, struct p
 		unsigned int idx = pr_item_bitmap_index(pp, ph, (void *)addr);
 		pool_item_bitmap_t *bitmap =
 		    ph->ph_bitmap + (idx / BITMAP_SIZE);
-		pool_item_bitmap_t mask = 1 << (idx & BITMAP_MASK);
+		pool_item_bitmap_t mask = 1U << (idx & BITMAP_MASK);
 
 		return (*bitmap & mask) == 0;
 	} else {

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