Commit 241fd9bc authored Apr 19, 2013 by Michael Holzheu Committed by Martin Schwidefsky Apr 23, 2013

s390/zcore: Fix HSA copy length for last block



Currently always one page is copied to a user buffer for the last
HSA block in memcpy_hsa(). Now the correct length is used.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent ab8e5235

drivers/s390/char/zcore.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -127,7 +127,7 @@ static int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode)
		}
		if (mode == TO_USER) {
		if (copy_to_user((__force __user void*) dest + offs, buf,
		PAGE_SIZE))
		count - offs))
		return -EFAULT;
		} else
		memcpy(dest + offs, buf, count - offs);