Added a guaranteed null-terminate after call to strncpy.
Signed-off-by: Rickard Strandqvist <[email protected]>
---
Documentation/laptops/freefall.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Documentation/laptops/freefall.c b/Documentation/laptops/freefall.c
index aab2ff0..113d004 100644
--- a/Documentation/laptops/freefall.c
+++ b/Documentation/laptops/freefall.c
@@ -33,8 +33,10 @@ static int set_unload_heads_path(char *device)
if (strlen(device) <= 5 || strncmp(device, "/dev/", 5) != 0)
return -EINVAL;
- strncpy(devname, device + 5, sizeof(devname) - 1);
- strncpy(device_path, device, sizeof(device_path) - 1);
+ strncpy(devname, device + 5, sizeof(devname));
+ devname[sizeof(devname) - 1] = '\0';
+ strncpy(device_path, device, sizeof(device_path));
+ device_path[sizeof(device_path) - 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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