From: Al Viro <viro@ftp.linux.org.uk>
Date: Mon, 29 Oct 2007 05:08:58 +0000 (+0000)
Subject: fix reentrancy bug in arcmsr_get_iop_{r,w}qbuffer()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0c7eb2eb800c4afb2205bbaa1bc633eb29082fef;p=linux-beck.git

fix reentrancy bug in arcmsr_get_iop_{r,w}qbuffer()

doh...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 4c1b3b4ae35b..2f34cdb0bec1 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1068,7 +1068,7 @@ 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) {
 
@@ -1089,7 +1089,7 @@ 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) {