X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fscsi%2Fdpt_i2o.c;h=2bc30e32b67a691823568025e802c52cd3f27a7a;hb=5b664cb235e97afbf34db9c4d77f08ebd725335e;hp=0fb5bf4c43acd4500b93bc51b1e010c17e3a70d7;hpb=38e80121bd7d0c493072442ac7eddcba165a07a8;p=linux-2.6

diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 0fb5bf4c43..2bc30e32b6 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -49,6 +49,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
 #include <linux/kernel.h>	/* for printk */
 #include <linux/sched.h>
 #include <linux/reboot.h>
+#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/dma-mapping.h>
 
@@ -1727,10 +1728,12 @@ static int adpt_open(struct inode *inode, struct file *file)
 	int minor;
 	adpt_hba* pHba;
 
+	lock_kernel();
 	//TODO check for root access
 	//
 	minor = iminor(inode);
 	if (minor >= hba_count) {
+		unlock_kernel();
 		return -ENXIO;
 	}
 	mutex_lock(&adpt_configuration_lock);
@@ -1741,6 +1744,7 @@ static int adpt_open(struct inode *inode, struct file *file)
 	}
 	if (pHba == NULL) {
 		mutex_unlock(&adpt_configuration_lock);
+		unlock_kernel();
 		return -ENXIO;
 	}
 
@@ -1751,6 +1755,7 @@ static int adpt_open(struct inode *inode, struct file *file)
 
 	pHba->in_use = 1;
 	mutex_unlock(&adpt_configuration_lock);
+	unlock_kernel();
 
 	return 0;
 }
@@ -1967,45 +1972,6 @@ cleanup:
 	return rcode;
 }
 
-
-/*
- * This routine returns information about the system.  This does not effect
- * any logic and if the info is wrong - it doesn't matter.
- */
-
-/* Get all the info we can not get from kernel services */
-static int adpt_system_info(void __user *buffer)
-{
-	sysInfo_S si;
-
-	memset(&si, 0, sizeof(si));
-
-	si.osType = OS_LINUX;
-	si.osMajorVersion = 0;
-	si.osMinorVersion = 0;
-	si.osRevision = 0;
-	si.busType = SI_PCI_BUS;
-	si.processorFamily = DPTI_sig.dsProcessorFamily;
-
-#if defined __i386__ 
-	adpt_i386_info(&si);
-#elif defined (__ia64__)
-	adpt_ia64_info(&si);
-#elif defined(__sparc__)
-	adpt_sparc_info(&si);
-#elif defined (__alpha__)
-	adpt_alpha_info(&si);
-#else
-	si.processorType = 0xff ;
-#endif
-	if(copy_to_user(buffer, &si, sizeof(si))){
-		printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
-		return -EFAULT;
-	}
-
-	return 0;
-}
-
 #if defined __ia64__ 
 static void adpt_ia64_info(sysInfo_S* si)
 {
@@ -2016,7 +1982,6 @@ static void adpt_ia64_info(sysInfo_S* si)
 }
 #endif
 
-
 #if defined __sparc__ 
 static void adpt_sparc_info(sysInfo_S* si)
 {
@@ -2026,7 +1991,6 @@ static void adpt_sparc_info(sysInfo_S* si)
 	si->processorType = PROC_ULTRASPARC;
 }
 #endif
-
 #if defined __alpha__ 
 static void adpt_alpha_info(sysInfo_S* si)
 {
@@ -2038,7 +2002,6 @@ static void adpt_alpha_info(sysInfo_S* si)
 #endif
 
 #if defined __i386__
-
 static void adpt_i386_info(sysInfo_S* si)
 {
 	// This is all the info we need for now
@@ -2059,9 +2022,45 @@ static void adpt_i386_info(sysInfo_S* si)
 		break;
 	}
 }
+#endif
+
+/*
+ * This routine returns information about the system.  This does not effect
+ * any logic and if the info is wrong - it doesn't matter.
+ */
+
+/* Get all the info we can not get from kernel services */
+static int adpt_system_info(void __user *buffer)
+{
+	sysInfo_S si;
+
+	memset(&si, 0, sizeof(si));
+
+	si.osType = OS_LINUX;
+	si.osMajorVersion = 0;
+	si.osMinorVersion = 0;
+	si.osRevision = 0;
+	si.busType = SI_PCI_BUS;
+	si.processorFamily = DPTI_sig.dsProcessorFamily;
 
+#if defined __i386__
+	adpt_i386_info(&si);
+#elif defined (__ia64__)
+	adpt_ia64_info(&si);
+#elif defined(__sparc__)
+	adpt_sparc_info(&si);
+#elif defined (__alpha__)
+	adpt_alpha_info(&si);
+#else
+	si.processorType = 0xff ;
 #endif
+	if (copy_to_user(buffer, &si, sizeof(si))){
+		printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
+		return -EFAULT;
+	}
 
+	return 0;
+}
 
 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
 	      ulong arg)