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>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 884e8bcec499..64a4c2d85f7c 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -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);