linux-kernel - Re: Linux 2.6.27.56

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Message-ID: <20101122191948.GI4340@kroah.com>
Date:	Mon, 22 Nov 2010 11:19:48 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...nel.org, lwn@....net
Subject: Re: Linux 2.6.27.56

diff --git a/Makefile b/Makefile
index 113cdba..09b28c8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 27
-EXTRAVERSION = .55
+EXTRAVERSION = .56
 NAME = Trembling Tortoise
 
 # *DOCUMENTATION*
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index c240562..1612259 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -4287,6 +4287,8 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	if (cmd != SIOCWANDEV)
 		return hdlc_ioctl(dev, ifr, cmd);
 
+	memset(&new_line, 0, size);
+
 	switch(ifr->ifr_settings.type) {
 	case IF_GET_IFACE: /* return current sync_serial_settings */
 
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 4015499..1ce2471 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -4155,6 +4155,14 @@ static int ioc_general(void __user *arg, char *cmnd)
     ha = gdth_find_ha(gen.ionode);
     if (!ha)
         return -EFAULT;
+
+    if (gen.data_len > INT_MAX)
+        return -EINVAL;
+    if (gen.sense_len > INT_MAX)
+        return -EINVAL;
+    if (gen.data_len + gen.sense_len > INT_MAX)
+        return -EINVAL;
+
     if (gen.data_len + gen.sense_len != 0) {
         if (!(buf = gdth_ioctl_alloc(ha, gen.data_len + gen.sense_len,
                                      FALSE, &paddr)))
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 48ee8c7..d2eec44 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -346,6 +346,7 @@ static int sas_ata_scr_read(struct ata_port *ap, unsigned int sc_reg_in,
 static struct ata_port_operations sas_sata_ops = {
 	.phy_reset		= sas_ata_phy_reset,
 	.post_internal_cmd	= sas_ata_post_internal,
+	.qc_defer               = ata_std_qc_defer,
 	.qc_prep		= ata_noop_qc_prep,
 	.qc_issue		= sas_ata_qc_issue,
 	.qc_fill_rtf		= sas_ata_qc_fill_rtf,
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index ab3c718..2aafca0 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -979,10 +979,11 @@ static void __scsi_remove_target(struct scsi_target *starget)
 	list_for_each_entry(sdev, &shost->__devices, siblings) {
 		if (sdev->channel != starget->channel ||
 		    sdev->id != starget->id ||
-		    sdev->sdev_state == SDEV_DEL)
+		    scsi_device_get(sdev))
 			continue;
 		spin_unlock_irqrestore(shost->host_lock, flags);
 		scsi_remove_device(sdev);
+		scsi_device_put(sdev);
 		spin_lock_irqsave(shost->host_lock, flags);
 		goto restart;
 	}
diff --git a/kernel/sched.c b/kernel/sched.c
index f01ff16..a4d6999 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -744,7 +744,7 @@ sched_feat_write(struct file *filp, const char __user *ubuf,
 		size_t cnt, loff_t *ppos)
 {
 	char buf[64];
-	char *cmp = buf;
+	char *cmp;
 	int neg = 0;
 	int i;
 
@@ -755,6 +755,7 @@ sched_feat_write(struct file *filp, const char __user *ubuf,
 		return -EFAULT;
 
 	buf[cnt] = 0;
+	cmp = strstrip(buf);
 
 	if (strncmp(buf, "NO_", 3) == 0) {
 		neg = 1;
@@ -762,9 +763,7 @@ sched_feat_write(struct file *filp, const char __user *ubuf,
 	}
 
 	for (i = 0; sched_feat_names[i]; i++) {
-		int len = strlen(sched_feat_names[i]);
-
-		if (strncmp(cmp, sched_feat_names[i], len) == 0) {
+		if (strcmp(cmp, sched_feat_names[i]) == 0) {
 			if (neg)
 				sysctl_sched_features &= ~(1UL << i);
 			else
--
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