diff options
Diffstat (limited to 'lib/efi_loader/efi_console.c')
| -rw-r--r-- | lib/efi_loader/efi_console.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index c09b93d9d6..0bfc24dbd9 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -60,7 +60,15 @@ static struct simple_text_output_mode efi_con_mode = { .cursor_visible = 1, }; -static int term_read_reply(int *n, int maxnum, char end_char) +/* + * Receive and parse a reply from the terminal. + * + * @n: array of return values + * @num: number of return values expected + * @end_char: character indicating end of terminal message + * @return: non-zero indicates error + */ +static int term_read_reply(int *n, int num, char end_char) { char c; int i = 0; @@ -77,7 +85,7 @@ static int term_read_reply(int *n, int maxnum, char end_char) c = getc(); if (c == ';') { i++; - if (i >= maxnum) + if (i >= num) return -1; n[i] = 0; continue; @@ -91,6 +99,8 @@ static int term_read_reply(int *n, int maxnum, char end_char) n[i] *= 10; n[i] += c - '0'; } + if (i != num - 1) + return -1; return 0; } |