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 {