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Subject[31/99] dpt_i2o: Fix up copy*user
2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Alan Cox <alan@linux.intel.com>
commit ef7562b7f28319e6dd1f85dc1af87df2a7a84832 upstream.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/scsi/dpt_i2o.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -1918,6 +1918,10 @@ static int adpt_i2o_passthru(adpt_hba* p
}
size = size>>16;
size *= 4;
+ if (size > MAX_MESSAGE_SIZE) {
+ rcode = EINVAL;
+ goto cleanup;
+ }
/* Copy in the user's I2O command */
if (copy_from_user (msg, user_msg, size)) {
rcode = -EFAULT;



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