disable packing of the TAG_TW_Device_Extension
structure to prevent kernel unaligned accesses when
accessing ioctl_wqueue.
Fixes smartmontools kernel panic on alpha SMP
Signed-off-by: Gabriele Gorla <gorlik@xxxxxxxxx>
---
--- linux-2.6.22/drivers/scsi/3w-xxxx.h.orig
2007-09-01 17:49:22.000000000 -0700
+++ linux-2.6.22/drivers/scsi/3w-xxxx.h 2007-09-01
17:49:45.000000000 -0700
@@ -392,6 +392,8 @@ typedef struct TAG_TW_Passthru
unsigned char padding[12];
} TW_Passthru;
+#pragma pack()
+
typedef struct TAG_TW_Device_Extension {
u32 base_addr;
unsigned long
*alignment_virtual_address[TW_Q_LENGTH];
@@ -430,6 +432,4 @@ typedef struct
TAG_TW_Device_Extension {
wait_queue_head_t ioctl_wqueue;
} TW_Device_Extension;
-#pragma pack()
-
#endif /* _3W_XXXX_H */
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