Merge ../linux-2.6-watchdog-mm

[linux-drm-fsl-dcu.git] / arch / powerpc / platforms / cell / spufs / file.c

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 0de8e114e6b68355b26c2f2ef4de546367792dbc..533e2723e1840eafd8645a962f1f6b0cf4ef96c9 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -385,7 +385,7 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
        udata = (void __user *)buf;
 
        spu_acquire(ctx);
-       for (count = 0; count <= len; count += 4, udata++) {
+       for (count = 0; (count + 4) <= len; count += 4, udata++) {
                int ret;
                ret = ctx->ops->mbox_read(ctx, &mbox_data);
                if (ret == 0)