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Date: Sun, 27 Jul 2014 16:40:43 +0200 From: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se> To: Randy Dunlap <rdunlap@...radead.org>, Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se> Cc: Pavel Machek <pavel@....cz>, Pali Rohár <pali.rohar@...il.com>, Stefan Weil <sw@...lnetz.de>, Jiri Kosina <jkosina@...e.cz>, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] Documentation: laptops: freefall.c: Cleaning up missing null-terminate in conjunction with strncpy Added a guaranteed null-terminate after call to strncpy. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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