arm64: dts: rockchip: add the IPA needed parameters for rk3399 thermal

[firefly-linux-kernel-4.4.55.git] / drivers / remoteproc / remoteproc_debugfs.c

diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index 9d30809bb407174214e1be674b323b0dd88c0a8e..916af5096f57b93b7f7e148d28716329b31c7be6 100644 (file)
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -156,7 +156,7 @@ rproc_recovery_write(struct file *filp, const char __user *user_buf,
        char buf[10];
        int ret;
 
-       if (count > sizeof(buf))
+       if (count < 1 || count > sizeof(buf))
                return count;
 
        ret = copy_from_user(buf, user_buf, count);