powerpc/spufs: Fix test in spufs_switch_log_read()

size_t len cannot be less than 0.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
roel kluin 2009-10-14 05:32:28 +00:00 committed by Benjamin Herrenschmidt
parent d67ebe72c9
commit 17e3767561

View file

@ -2494,7 +2494,7 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
int error = 0, cnt = 0;
if (!buf || len < 0)
if (!buf)
return -EINVAL;
error = spu_acquire(ctx);