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path: root/drivers/scsi/aacraid/commctrl.c
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Diffstat (limited to 'drivers/scsi/aacraid/commctrl.c')
-rw-r--r--drivers/scsi/aacraid/commctrl.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 5fd83de..a735526 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -41,6 +41,7 @@
#include <linux/kthread.h>
#include <linux/semaphore.h>
#include <asm/uaccess.h>
+#include <scsi/scsi_host.h>
#include "aacraid.h"
@@ -581,6 +582,14 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
for (i = 0; i < upsg->count; i++) {
u64 addr;
void* p;
+ if (upsg->sg[i].count >
+ (dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
/* Does this really need to be GFP_DMA? */
p = kmalloc(upsg->sg[i].count,GFP_KERNEL|__GFP_DMA);
if(!p) {
@@ -625,6 +634,14 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
for (i = 0; i < usg->count; i++) {
u64 addr;
void* p;
+ if (usg->sg[i].count >
+ (dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
/* Does this really need to be GFP_DMA? */
p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
if(!p) {
@@ -667,6 +684,14 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
for (i = 0; i < upsg->count; i++) {
uintptr_t addr;
void* p;
+ if (usg->sg[i].count >
+ (dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
/* Does this really need to be GFP_DMA? */
p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
if(!p) {
@@ -698,6 +723,14 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
for (i = 0; i < upsg->count; i++) {
dma_addr_t addr;
void* p;
+ if (upsg->sg[i].count >
+ (dev->adapter_info.options &
+ AAC_OPT_NEW_COMM) ?
+ (dev->scsi_host_ptr->max_sectors << 9) :
+ 65536) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
p = kmalloc(upsg->sg[i].count, GFP_KERNEL);
if (!p) {
dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
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