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authorChen Gang <gang.chen@asianux.com>2013-05-30 01:18:43 +0000
committerHelge Deller <deller@gmx.de>2013-06-01 14:29:01 +0200
commitea99b1adf22abd62bdcf14b1c9a0a4d3664eefd8 (patch)
treea5ae4d443b53c2f338e78bf4799937a2d4501f1e
parent766039022a480ede847659daaa78772bdcc598ae (diff)
downloadlinux-ea99b1adf22abd62bdcf14b1c9a0a4d3664eefd8.tar.gz
parisc: kernel: using strlcpy() instead of strcpy()
'boot_args' is an input args, and 'boot_command_line' has a fix length. So use strlcpy() instead of strcpy() to avoid memory overflow. Signed-off-by: Chen Gang <gang.chen@asianux.com> Acked-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Helge Deller <deller@gmx.de>
-rw-r--r--arch/parisc/kernel/setup.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index 76b63e726a5..1e95b2000ce 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -69,7 +69,8 @@ void __init setup_cmdline(char **cmdline_p)
/* called from hpux boot loader */
boot_command_line[0] = '\0';
} else {
- strcpy(boot_command_line, (char *)__va(boot_args[1]));
+ strlcpy(boot_command_line, (char *)__va(boot_args[1]),
+ COMMAND_LINE_SIZE);
#ifdef CONFIG_BLK_DEV_INITRD
if (boot_args[2] != 0) /* did palo pass us a ramdisk? */