[PATCHv2] Documentation: laptops: freefall.c: Fix missing null-termination

[Pavel Machek]

devname is automatic variable, so it may not contain 0 at the last
position.

Reported-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Pavel Machek <pavel@xxxxxx>

diff --git a/Documentation/laptops/freefall.c b/Documentation/laptops/freefall.c
index aab2ff0..93a7ebf 100644
--- a/Documentation/laptops/freefall.c
+++ b/Documentation/laptops/freefall.c
@@ -29,7 +29,8 @@ static const char app_name[] = "FREE FALL";
 
 static int set_unload_heads_path(char *device)
 {
-	char devname[64];
+	/* static for zero termination */
+	static char devname[64];
 
 	if (strlen(device) <= 5 || strncmp(device, "/dev/", 5) != 0)
 		return -EINVAL;


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