diff options
| author | Prarit Bhargava <prarit@redhat.com> | 2013-10-17 08:00:11 -0400 |
|---|---|---|
| committer | Xavier Boudet <xboudet@gmail.com> | 2013-12-04 07:57:17 +0100 |
| commit | 1e432580fed9b4d4a0ac22673324adef17dba5a9 (patch) | |
| tree | 05c51f4a3d668dfdb18fee8b138143a505df5c02 /arch | |
| parent | a873976ce7a679696dfbb089e7eece1e8ae2e857 (diff) | |
powerpc/vio: use strcpy in modalias_show
commit 411cabf79e684171669ad29a0628c400b4431e95 upstream.
Commit e82b89a6f19bae73fb064d1b3dd91fcefbb478f4 used strcat instead of
strcpy which can result in an overflow of newlines on the buffer.
Signed-off-by: Prarit Bhargava
Cc: benh@kernel.crashing.org
Cc: ben@decadent.org.uk
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/vio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index cfe0069bcfc8..fcf89bff1177 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -1342,12 +1342,12 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, dn = dev->of_node; if (!dn) { - strcat(buf, "\n"); + strcpy(buf, "\n"); return strlen(buf); } cp = of_get_property(dn, "compatible", NULL); if (!cp) { - strcat(buf, "\n"); + strcpy(buf, "\n"); return strlen(buf); } |