powerpc/spufs: Fix test in spufs_switch_log_read()

size_t len cannot be less than 0.

Signed-off-by: Roel Kluin <[email protected]>
Acked-by: Jeremy Kerr <[email protected]>
Signed-off-by: Benjamin Herrenschmidt <[email protected]>

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 884e8bcec499ff13718b7bb09f4148467cb6d22d..64a4c2d85f7cbd22671544a7ec3a65aac6fb37e9 100644 (file)
--- 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);