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Message-Id: <20251028-uml-remove-32bit-pseudo-vdso-v1-7-e930063eff5f@weissschuh.net> Date: Tue, 28 Oct 2025 10:15:42 +0100 From: Thomas Weißschuh <linux@...ssschuh.net> To: Richard Weinberger <richard@....at>, Anton Ivanov <anton.ivanov@...bridgegreys.com>, Johannes Berg <johannes@...solutions.net>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, Kees Cook <kees@...nel.org> Cc: linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Thomas Weißschuh <linux@...ssschuh.net> Subject: [PATCH 07/10] um: Remove redundant range check from __access_ok_vsyscall() The only caller __access_ok() is already doing the same check through __addr_range_nowrap(). Remove the redundant check. Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net> --- arch/um/include/asm/uaccess.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/um/include/asm/uaccess.h b/arch/um/include/asm/uaccess.h index 1c6e0ae41b0c..3770bdeee100 100644 --- a/arch/um/include/asm/uaccess.h +++ b/arch/um/include/asm/uaccess.h @@ -17,8 +17,7 @@ #define __access_ok_vsyscall(addr, size) \ (((unsigned long) (addr) >= FIXADDR_USER_START) && \ - ((unsigned long) (addr) + (size) <= FIXADDR_USER_END) && \ - ((unsigned long) (addr) + (size) >= (unsigned long)(addr))) + ((unsigned long) (addr) + (size) <= FIXADDR_USER_END)) #define __addr_range_nowrap(addr, size) \ ((unsigned long) (addr) <= ((unsigned long) (addr) + (size))) -- 2.51.1.dirty
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