[PATCH] sysfs: zero terminate sysfs write buffers

[deliverable/linux.git] / fs / sysfs / file.c

diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 830f76fa098c531f9db023f74253d9a19a1dff06..f1cb1ddde511d7db0978ebc9bb7c7e3feb453394 100644 (file)
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -183,7 +183,7 @@ fill_write_buffer(struct sysfs_buffer * buffer, const char __user * buf, size_t
                return -ENOMEM;
 
        if (count >= PAGE_SIZE)
-               count = PAGE_SIZE;
+               count = PAGE_SIZE - 1;
        error = copy_from_user(buffer->page,buf,count);
        buffer->needs_read_fill = 1;
        return error ? -EFAULT : count;