powerpc/spufs: Fix test in spufs_switch_log_read()
authorroel kluin <roel.kluin@gmail.com>
Wed, 14 Oct 2009 05:32:28 +0000 (05:32 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 24 Nov 2009 03:31:25 +0000 (14:31 +1100)
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>
arch/powerpc/platforms/cell/spufs/file.c

index 884e8bcec499ff13718b7bb09f4148467cb6d22d..64a4c2d85f7cbd22671544a7ec3a65aac6fb37e9 100644 (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);