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Message-Id: <20070306134322.aa8241bf.khali@linux-fr.org>
Date: Tue, 6 Mar 2007 13:43:22 +0100
From: Jean Delvare <khali@...ux-fr.org>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Jaroslav Kysela <perex@...e.cz>
Subject: [PATCH] strlcpy is smart enough
strlcpy already accounts for the trailing zero in its length
computation, so there is no need to substract one to the buffer size.
Untested, as I do not have the hardware.
Signed-off-by: Jean Delvare <khali@...ux-fr.org>
---
arch/s390/kernel/debug.c | 2 +-
arch/xtensa/platform-iss/network.c | 2 +-
drivers/net/ehea/ehea_ethtool.c | 4 ++--
sound/aoa/codecs/snd-aoa-codec-onyx.c | 4 ++--
sound/aoa/codecs/snd-aoa-codec-tas.c | 4 ++--
sound/oss/btaudio.c | 2 +-
6 files changed, 9 insertions(+), 9 deletions(-)
--- linux-2.6.21-rc2.orig/arch/s390/kernel/debug.c 2007-03-06 13:20:19.000000000 +0100
+++ linux-2.6.21-rc2/arch/s390/kernel/debug.c 2007-03-06 13:34:27.000000000 +0100
@@ -268,7 +268,7 @@ debug_info_alloc(char *name, int pages_p
rc->level = level;
rc->buf_size = buf_size;
rc->entry_size = sizeof(debug_entry_t) + buf_size;
- strlcpy(rc->name, name, sizeof(rc->name)-1);
+ strlcpy(rc->name, name, sizeof(rc->name));
memset(rc->views, 0, DEBUG_MAX_VIEWS * sizeof(struct debug_view *));
memset(rc->debugfs_entries, 0 ,DEBUG_MAX_VIEWS *
sizeof(struct dentry*));
--- linux-2.6.21-rc2.orig/arch/xtensa/platform-iss/network.c 2007-03-06 13:20:19.000000000 +0100
+++ linux-2.6.21-rc2/arch/xtensa/platform-iss/network.c 2007-03-06 13:34:27.000000000 +0100
@@ -251,7 +251,7 @@ static int tuntap_open(struct iss_net_pr
memset(&ifr, 0, sizeof ifr);
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
- strlcpy(ifr.ifr_name, dev_name, sizeof ifr.ifr_name - 1);
+ strlcpy(ifr.ifr_name, dev_name, sizeof ifr.ifr_name);
if ((err = simc_ioctl(fd, TUNSETIFF, (void*) &ifr)) < 0) {
printk("Failed to set interface, returned %d "
--- linux-2.6.21-rc2.orig/drivers/net/ehea/ehea_ethtool.c 2007-03-06 13:20:19.000000000 +0100
+++ linux-2.6.21-rc2/drivers/net/ehea/ehea_ethtool.c 2007-03-06 13:34:27.000000000 +0100
@@ -144,8 +144,8 @@ static int ehea_nway_reset(struct net_de
static void ehea_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
- strlcpy(info->driver, DRV_NAME, sizeof(info->driver) - 1);
- strlcpy(info->version, DRV_VERSION, sizeof(info->version) - 1);
+ strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
+ strlcpy(info->version, DRV_VERSION, sizeof(info->version));
}
static u32 ehea_get_msglevel(struct net_device *dev)
--- linux-2.6.21-rc2.orig/sound/aoa/codecs/snd-aoa-codec-onyx.c 2007-03-06 13:20:19.000000000 +0100
+++ linux-2.6.21-rc2/sound/aoa/codecs/snd-aoa-codec-onyx.c 2007-03-06 13:34:27.000000000 +0100
@@ -1018,7 +1018,7 @@ static int onyx_create(struct i2c_adapte
onyx->i2c.driver = &onyx_driver;
onyx->i2c.adapter = adapter;
onyx->i2c.addr = addr & 0x7f;
- strlcpy(onyx->i2c.name, "onyx audio codec", I2C_NAME_SIZE-1);
+ strlcpy(onyx->i2c.name, "onyx audio codec", I2C_NAME_SIZE);
if (i2c_attach_client(&onyx->i2c)) {
printk(KERN_ERR PFX "failed to attach to i2c\n");
@@ -1033,7 +1033,7 @@ static int onyx_create(struct i2c_adapte
goto fail;
}
- strlcpy(onyx->codec.name, "onyx", MAX_CODEC_NAME_LEN-1);
+ strlcpy(onyx->codec.name, "onyx", MAX_CODEC_NAME_LEN);
onyx->codec.owner = THIS_MODULE;
onyx->codec.init = onyx_init_codec;
onyx->codec.exit = onyx_exit_codec;
--- linux-2.6.21-rc2.orig/sound/aoa/codecs/snd-aoa-codec-tas.c 2007-03-06 13:20:19.000000000 +0100
+++ linux-2.6.21-rc2/sound/aoa/codecs/snd-aoa-codec-tas.c 2007-03-06 13:34:27.000000000 +0100
@@ -899,14 +899,14 @@ static int tas_create(struct i2c_adapter
tas->i2c.addr = addr;
/* seems that half is a saner default */
tas->drc_range = TAS3004_DRC_MAX / 2;
- strlcpy(tas->i2c.name, "tas audio codec", I2C_NAME_SIZE-1);
+ strlcpy(tas->i2c.name, "tas audio codec", I2C_NAME_SIZE);
if (i2c_attach_client(&tas->i2c)) {
printk(KERN_ERR PFX "failed to attach to i2c\n");
goto fail;
}
- strlcpy(tas->codec.name, "tas", MAX_CODEC_NAME_LEN-1);
+ strlcpy(tas->codec.name, "tas", MAX_CODEC_NAME_LEN);
tas->codec.owner = THIS_MODULE;
tas->codec.init = tas_init_codec;
tas->codec.exit = tas_exit_codec;
--- linux-2.6.21-rc2.orig/sound/oss/btaudio.c 2007-03-06 13:20:19.000000000 +0100
+++ linux-2.6.21-rc2/sound/oss/btaudio.c 2007-03-06 13:38:00.000000000 +0100
@@ -344,7 +344,7 @@ static int btaudio_mixer_ioctl(struct in
if (cmd == SOUND_OLD_MIXER_INFO) {
_old_mixer_info info;
memset(&info,0,sizeof(info));
- strlcpy(info.id,"bt878",sizeof(info.id)-1);
+ strlcpy(info.id, "bt878", sizeof(info.id));
strlcpy(info.name,"Brooktree Bt878 audio",sizeof(info.name));
if (copy_to_user(argp, &info, sizeof(info)))
return -EFAULT;
--
Jean Delvare
-
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