From: Andrzej Hajda <a.hajda@samsung.com>
To: linux-kernel@vger.kernel.org
Cc: Andrzej Hajda <a.hajda@samsung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Eric Paris <eparis@redhat.com>,
linux-sh@vger.kernel.org
Subject: [PATCH 34/38] perf: remove invalid check
Date: Mon, 21 Sep 2015 15:34:06 +0200 [thread overview]
Message-ID: <1442842450-29769-35-git-send-email-a.hajda@samsung.com> (raw)
In-Reply-To: <1442842450-29769-1-git-send-email-a.hajda@samsung.com>
Unsigned values cannot be lesser than zero.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---
arch/sh/kernel/ptrace_32.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index c1a6b89..6125ce9 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -419,8 +419,7 @@ long arch_ptrace(struct task_struct *child, long request,
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
ret = -EIO;
- if ((addr & 3) || addr < 0 ||
- addr > sizeof(struct user) - 3)
+ if ((addr & 3) || addr > sizeof(struct user) - 3)
break;
if (addr < sizeof(struct pt_regs))
--
1.9.1
next prev parent reply other threads:[~2015-09-21 13:38 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1442842450-29769-1-git-send-email-a.hajda@samsung.com>
2015-09-21 13:33 ` [PATCH 01/38] arm-cci: fix handling cpumask_any_but return value Andrzej Hajda
2015-09-21 15:29 ` Will Deacon
2015-12-14 10:20 ` Andrzej Hajda
2015-12-14 11:42 ` Suzuki K. Poulose
2015-09-21 13:33 ` [PATCH 02/38] bus: arm-ccn: " Andrzej Hajda
2015-09-21 19:56 ` Pawel Moll
2015-09-21 13:33 ` [PATCH 03/38] drm/i915: fix handling gen8_emit_flush_coherentl3_wa result Andrzej Hajda
2015-09-21 13:59 ` Jani Nikula
2015-09-22 9:42 ` Daniel Vetter
2015-09-21 13:33 ` [PATCH 04/38] IB/ehca: fix handling idr_alloc result Andrzej Hajda
2015-09-29 18:23 ` Doug Ledford
2015-09-21 13:33 ` [PATCH 05/38] staging: lustre: fix handling lustre_posix_acl_xattr_filter result Andrzej Hajda
2015-09-21 13:33 ` [PATCH 06/38] tty: serial: lpc32xx_hs: fix handling platform_get_irq result Andrzej Hajda
2015-09-21 13:33 ` [PATCH 07/38] usb: host: ehci-msm: " Andrzej Hajda
2015-09-21 14:45 ` Alan Stern
2015-09-21 13:33 ` [PATCH 08/38] openvswitch: fix handling result of ipv6_skip_exthdr Andrzej Hajda
2015-09-21 17:45 ` Pravin Shelar
2015-09-21 13:33 ` [PATCH 09/38] selftests/timers: fix write return value handlng Andrzej Hajda
2015-12-11 6:42 ` John Stultz
2015-09-21 13:33 ` [PATCH 10/38] hwrng: fix handling platform_get_irq Andrzej Hajda
2015-09-21 15:05 ` Herbert Xu
2015-09-21 13:33 ` [PATCH 11/38] HSI: omap_ssi: fix handling ida_simple_get result Andrzej Hajda
2015-12-14 10:27 ` Andrzej Hajda
2016-01-07 15:20 ` Sebastian Reichel
2015-09-21 13:33 ` [PATCH 12/38] HSI: omap_ssi_port: fix handling of_get_named_gpio result Andrzej Hajda
2015-12-14 10:27 ` Andrzej Hajda
2015-09-21 13:33 ` [PATCH 13/38] ARM: shmobile: apmu: correct type of CPU id Andrzej Hajda
2015-10-02 1:57 ` Simon Horman
2015-09-21 13:33 ` [PATCH 14/38] clk: vt8500: fix sign of possible PLL values Andrzej Hajda
2015-10-01 22:56 ` Stephen Boyd
2015-10-02 4:49 ` [PATCH v2 " Andrzej Hajda
2015-12-14 10:30 ` Andrzej Hajda
2016-01-05 14:24 ` Andrzej Hajda
2016-01-30 0:44 ` Stephen Boyd
2015-09-21 13:33 ` [PATCH 15/38] drm/layerscape: fix handling fsl_dcu_drm_plane_index result Andrzej Hajda
2015-09-21 13:33 ` [PATCH 16/38] gpu: ipu-v3: fix div_ratio type Andrzej Hajda
2015-09-23 8:20 ` Philipp Zabel
2015-09-21 13:33 ` [PATCH 17/38] isdn: hisax: fix frame calculation Andrzej Hajda
2015-09-22 23:15 ` David Miller
2015-09-21 13:33 ` [PATCH 18/38] net/ibm/emac: fix type of phy_mode Andrzej Hajda
2015-09-22 23:14 ` David Miller
2015-09-21 13:33 ` [PATCH 19/38] net: stmmac: fix type of entry variable Andrzej Hajda
2015-09-22 23:15 ` David Miller
2015-09-21 13:33 ` [PATCH 20/38] net: brcm80211: fix range check Andrzej Hajda
2015-09-22 23:15 ` David Miller
2015-09-21 13:33 ` [PATCH 21/38] mwifiex: fix comparison expression Andrzej Hajda
2015-09-22 10:56 ` Amitkumar Karwar
2015-09-22 23:15 ` David Miller
2015-09-21 13:33 ` [PATCH 22/38] orinoco: fix checking for default value Andrzej Hajda
2015-09-22 23:15 ` David Miller
2015-09-21 13:33 ` [PATCH 23/38] rndis_wlan: " Andrzej Hajda
2015-09-22 23:15 ` David Miller
2015-09-21 13:33 ` [PATCH 24/38] rtc: opal: fix type of token Andrzej Hajda
2015-10-03 13:08 ` Alexandre Belloni
2015-09-21 13:33 ` [PATCH 25/38] staging: media: davinci_vpfe: fix ipipe_mode type Andrzej Hajda
2015-11-09 21:18 ` Laurent Pinchart
2015-09-21 13:33 ` [PATCH 26/38] staging: lustre: remove invalid check Andrzej Hajda
2015-09-21 13:33 ` [PATCH 27/38] usbnet: " Andrzej Hajda
2015-09-22 23:15 ` David Miller
2015-09-21 13:34 ` [PATCH 28/38] video/omap: " Andrzej Hajda
2015-09-24 10:48 ` Tomi Valkeinen
2015-09-21 13:34 ` [PATCH 29/38] Input: touchscreen: atmel: " Andrzej Hajda
2015-09-21 17:10 ` Dmitry Torokhov
2015-09-21 13:34 ` [PATCH 30/38] leds: flash: " Andrzej Hajda
2015-09-22 7:36 ` Jacek Anaszewski
2015-09-21 13:34 ` [PATCH 31/38] leds: tca6507: " Andrzej Hajda
2015-09-22 7:37 ` Jacek Anaszewski
2015-09-21 13:34 ` [PATCH 32/38] fs/cachefiles: remove invalid checks Andrzej Hajda
2015-09-21 13:34 ` [PATCH 33/38] mm/memblock.c: remove invalid check Andrzej Hajda
2015-09-21 21:31 ` Andrew Morton
2015-09-21 13:34 ` Andrzej Hajda [this message]
2015-09-21 13:34 ` [PATCH 35/38] ptrace: " Andrzej Hajda
2015-09-21 13:34 ` [PATCH 36/38] MIPS: " Andrzej Hajda
2015-09-22 15:43 ` Ralf Baechle
2015-09-21 13:34 ` [PATCH 37/38] zlib_deflate/deftree: change always true condition to 1 Andrzej Hajda
2015-09-21 13:34 ` [PATCH 38/38] drm/radeon: simplify boot level calculation Andrzej Hajda
2015-10-26 15:55 ` Deucher, Alexander
2015-09-21 13:42 ` [PATCH 00/38] Fixes related to incorrect usage of unsigned types David Howells
2015-09-22 9:13 ` Andrzej Hajda
2015-09-22 9:46 ` Jacek Anaszewski
2015-09-21 13:48 ` [PATCH 32/38] fs/cachefiles: remove invalid checks David Howells
2015-09-21 16:10 ` David Howells
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