Messages in this thread Patch in this message | | | Date | Fri, 2 Apr 2010 14:28:43 +0300 | From | Dan Carpenter <> | Subject | [patch] dma-debug: off by one issue |
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We need to reserve the last character for the NULL terminator.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/lib/dma-debug.c b/lib/dma-debug.c index ba8b670..01e6427 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -570,7 +570,7 @@ static ssize_t filter_write(struct file *file, const char __user *userbuf, * Now parse out the first token and use it as the name for the * driver to filter for. */ - for (i = 0; i < NAME_MAX_LEN; ++i) { + for (i = 0; i < NAME_MAX_LEN - 1; ++i) { current_driver_name[i] = buf[i]; if (isspace(buf[i]) || buf[i] == ' ' || buf[i] == 0) break;
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