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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Tetsuhiro Kohada <kohada.t2@gmail.com>,
	Namjae Jeon <namjae.jeon@samsung.com>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 5.8 22/24] exfat: fix pointer error checking
Date: Mon, 12 Oct 2020 15:02:37 -0400	[thread overview]
Message-ID: <20201012190239.3279198-22-sashal@kernel.org> (raw)
In-Reply-To: <20201012190239.3279198-1-sashal@kernel.org>

From: Tetsuhiro Kohada <kohada.t2@gmail.com>

[ Upstream commit d6c9efd92443b23307995f34246c2374056ebbd8 ]

Fix missing result check of exfat_build_inode().
And use PTR_ERR_OR_ZERO instead of PTR_ERR.

Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/exfat/namei.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index 2b9e21094a96d..4b53a3efd6d46 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -578,7 +578,8 @@ static int exfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
 
 	i_pos = exfat_make_i_pos(&info);
 	inode = exfat_build_inode(sb, &info, i_pos);
-	if (IS_ERR(inode))
+	err = PTR_ERR_OR_ZERO(inode);
+	if (err)
 		goto unlock;
 
 	inode_inc_iversion(inode);
@@ -745,10 +746,9 @@ static struct dentry *exfat_lookup(struct inode *dir, struct dentry *dentry,
 
 	i_pos = exfat_make_i_pos(&info);
 	inode = exfat_build_inode(sb, &info, i_pos);
-	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
+	err = PTR_ERR_OR_ZERO(inode);
+	if (err)
 		goto unlock;
-	}
 
 	i_mode = inode->i_mode;
 	alias = d_find_alias(inode);
@@ -890,10 +890,9 @@ static int exfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 
 	i_pos = exfat_make_i_pos(&info);
 	inode = exfat_build_inode(sb, &info, i_pos);
-	if (IS_ERR(inode)) {
-		err = PTR_ERR(inode);
+	err = PTR_ERR_OR_ZERO(inode);
+	if (err)
 		goto unlock;
-	}
 
 	inode_inc_iversion(inode);
 	inode->i_mtime = inode->i_atime = inode->i_ctime =
-- 
2.25.1


  parent reply	other threads:[~2020-10-12 19:03 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-12 19:02 [PATCH AUTOSEL 5.8 01/24] net: lantiq: Add locking for TX DMA channel Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 02/24] platform/x86: touchscreen_dmi: Add info for the MPMAN Converter9 2-in-1 Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 03/24] platform/x86: asus-nb-wmi: Revert "Do not load on Asus T100TA and T200TA" Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 04/24] platform/x86: asus-wmi: Add BATC battery name to the list of supported Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 05/24] platform/x86: mlx-platform: Fix extended topology configuration for power supply units Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 06/24] mt76: mt7615: reduce maximum VHT MPDU length to 7991 Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 07/24] drivers/net/wan/x25_asy: Correct the ndo_open and ndo_stop functions Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 08/24] net: mscc: ocelot: fix fields offset in SG_CONFIG_REG_3 Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 09/24] net/fsl: quieten expected MDIO access failures Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 10/24] net: usb: ax88179_178a: add Toshiba usb 3.0 adapter Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 11/24] net: atlantic: fix build when object tree is separate Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 12/24] net: usb: ax88179_178a: add MCT usb 3.0 adapter Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 13/24] net: dsa: felix: fix incorrect action offsets for VCAP IS2 Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 14/24] via-rhine: Fix for the hardware having a reset failure after resume Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 15/24] via-rhine: VTunknown1 device is really VT8251 South Bridge Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 16/24] vhost vdpa: fix vhost_vdpa_open error handling Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 17/24] net: usb: pegasus: Proper error handing when setting pegasus' MAC address Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 18/24] net: usb: rtl8150: set random MAC address when set_ethernet_addr() fails Sasha Levin
2020-10-12 19:11   ` Joe Perches
2020-10-12 21:01     ` Petko Manolov
2020-10-14 14:04       ` Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 19/24] usermodehelper: reset umask to default before executing user process Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 20/24] riscv: Fixup bootup failure with HARDENED_USERCOPY Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 21/24] arm/arm64: xen: Fix to convert percpu address to gfn correctly Sasha Levin
2020-10-12 19:02 ` Sasha Levin [this message]
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 23/24] gpio: pca953x: Survive spurious interrupts Sasha Levin
2020-10-12 19:02 ` [PATCH AUTOSEL 5.8 24/24] net: usb: qmi_wwan: add Cellient MPL200 card Sasha Levin

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