[PATCH] Documentation: laptops: hpfall.c: Cleaning up missing null-terminate after strncpy call

[Rickard Strandqvist]

Added a guaranteed null-terminate after call to strncpy.

This was partly found using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@xxxxxxxxxxxxxxxxxx>
---
 Documentation/laptops/hpfall.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/laptops/hpfall.c b/Documentation/laptops/hpfall.c
index b85dbba..6708432 100644
--- a/Documentation/laptops/hpfall.c
+++ b/Documentation/laptops/hpfall.c
@@ -28,6 +28,7 @@ int set_unload_heads_path(char *device)
 	if (strlen(device) <= 5 || strncmp(device, "/dev/", 5) != 0)
 		return -EINVAL;
 	strncpy(devname, device + 5, sizeof(devname));
+	devname[sizeof(devname) - 1] = '\0';
 
 	snprintf(unload_heads_path, sizeof(unload_heads_path) - 1,
 				"/sys/block/%s/device/unload_heads", devname);
-- 
1.7.10.4

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