diff options
Diffstat (limited to 'lib/libfile.c')
| -rw-r--r-- | lib/libfile.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libfile.c b/lib/libfile.c index 3f3ec21fdb..02078dd43d 100644 --- a/lib/libfile.c +++ b/lib/libfile.c @@ -158,7 +158,9 @@ EXPORT_SYMBOL_GPL(read_file_line); * bytes are read. The actual read size is returned in @size. -EFBIG is * returned if the file is bigger than @max_size, but the buffer is read * anyway up to @max_size in this case. Free the buffer with free() after - * usage. + * usage. The allocated buffer is actually one byte bigger than the file + * and the extra byte is initialized to '\0' so that the returned buffer + * can safely be interpreted as a string. * * Return: 0 for success, or negative error code. -EFBIG is returned * when the file has been bigger than max_size. |