These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / remoteproc / remoteproc_debugfs.c

diff --git a/kernel/drivers/remoteproc/remoteproc_debugfs.c b/kernel/drivers/remoteproc/remoteproc_debugfs.c
index 9d30809..916af50 100644 (file)
--- a/kernel/drivers/remoteproc/remoteproc_debugfs.c
+++ b/kernel/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);