lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-Id: <E1ImMry-0003TZ-Pw@ZenIV.linux.org.uk>
Date:	Mon, 29 Oct 2007 05:08:58 +0000
From:	Al Viro <viro@....linux.org.uk>
To:	torvalds@...ux-foundation.org
Cc:	nick.cheng@...ca.com.tw, linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org
Subject: fix reentrancy bug in arcmsr_get_iop_{r,w}qbuffer()


doh...

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 drivers/scsi/arcmsr/arcmsr_hba.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index acbc50f..d466a2d 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1095,7 +1095,7 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
 
 struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
 {
-	static struct QBUFFER __iomem *qbuffer;
+	struct QBUFFER __iomem *qbuffer = NULL;
 
 	switch (acb->adapter_type) {
 
@@ -1116,7 +1116,7 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
 
 static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
 {
-	static struct QBUFFER __iomem *pqbuffer;
+	struct QBUFFER __iomem *pqbuffer = NULL;
 
 	switch (acb->adapter_type) {
 
-- 
1.5.3.GIT

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ