Commit 5cc0c038 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'char-misc-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc 

Pull char/misc driver fixes from Greg Kroah-Hartman:
 "Here are some small char/misc driver fixes for 3.10-rc2.

  Nothing major here, just a number of fixes for things that people have
  reported, and a MAINTAINERS update for the recent changes for the
  hyperv files that went into 3.10-rc1."

* tag 'char-misc-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  ttyprintk: Fix NULL pointer deref by setting tty_port ops after initializing port
  uio: UIO_DMEM_GENIRQ should depend on HAS_DMA
  MAINTAINERS: update Hyper-V file list
  mei: bus: Reset event_cb when disabling a device
  Drivers: hv: Fix a bug in get_vp_index()
  mei: fix out of array access to me clients array
  Char: lp, protect LPGETSTATUS with port_mutex
  dummy-irq: require the user to specify an IRQ number
parents b6419406 b5325a02

MAINTAINERS

+8 −1
Original line number Diff line number Diff line
@@ -3865,9 +3865,16 @@ M: K. Y. Srinivasan <kys@microsoft.com> 
M:	Haiyang Zhang <haiyangz@microsoft.com>

L:	devel@linuxdriverproject.org

S:	Maintained

F:	drivers/hv/

F:	arch/x86/include/asm/mshyperv.h

F:	arch/x86/include/uapi/asm/hyperv.h

F:	arch/x86/kernel/cpu/mshyperv.c

F:	drivers/hid/hid-hyperv.c

F:	drivers/hv/

F:	drivers/net/hyperv/

F:	drivers/scsi/storvsc_drv.c

F:	drivers/video/hyperv_fb.c

F:	include/linux/hyperv.h

F:	tools/hv/



I2C OVER PARALLEL PORT

M:	Jean Delvare <khali@linux-fr.org>

drivers/char/lp.c

+3 −0
Original line number Diff line number Diff line
@@ -622,9 +622,12 @@ static int lp_do_ioctl(unsigned int minor, unsigned int cmd, 
				return -EFAULT;

			break;

		case LPGETSTATUS:

			if (mutex_lock_interruptible(&lp_table[minor].port_mutex))

				return -EINTR;

			lp_claim_parport_or_block (&lp_table[minor]);

			status = r_str(minor);

			lp_release_parport (&lp_table[minor]);

			mutex_unlock(&lp_table[minor].port_mutex);



			if (copy_to_user(argp, &status, sizeof(int)))

				return -EFAULT;

drivers/char/ttyprintk.c

+1 −1
Original line number Diff line number Diff line
@@ -179,7 +179,6 @@ static int __init ttyprintk_init(void) 
{

	int ret = -ENOMEM;



	tpk_port.port.ops = &null_ops;

	mutex_init(&tpk_port.port_write_mutex);



	ttyprintk_driver = tty_alloc_driver(1,
@@ -190,6 +189,7 @@ static int __init ttyprintk_init(void) 
		return PTR_ERR(ttyprintk_driver);



	tty_port_init(&tpk_port.port);

	tpk_port.port.ops = &null_ops;



	ttyprintk_driver->driver_name = "ttyprintk";

	ttyprintk_driver->name = "ttyprintk";

drivers/hv/channel_mgmt.c

+1 −1
Original line number Diff line number Diff line
@@ -329,7 +329,7 @@ static u32 get_vp_index(uuid_le *type_guid) 
		return 0;

	}

	cur_cpu = (++next_vp % max_cpus);

	return cur_cpu;

	return hv_context.vp_index[cur_cpu];

}



/*

drivers/misc/dummy-irq.c

+5 −1
Original line number Diff line number Diff line
@@ -19,7 +19,7 @@ 
#include <linux/irq.h>

#include <linux/interrupt.h>



static int irq;

static int irq = -1;



static irqreturn_t dummy_interrupt(int irq, void *dev_id)

{
@@ -36,6 +36,10 @@ static irqreturn_t dummy_interrupt(int irq, void *dev_id) 


static int __init dummy_irq_init(void)

{

	if (irq < 0) {

		printk(KERN_ERR "dummy-irq: no IRQ given.  Use irq=N\n");

		return -EIO;

	}

	if (request_irq(irq, &dummy_interrupt, IRQF_SHARED, "dummy_irq", &irq)) {

		printk(KERN_ERR "dummy-irq: cannot register IRQ %d\n", irq);

		return -EIO;

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