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2012-12-11Merge tag 'tty-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds6-99/+25
Pull TTY/Serial merge from Greg Kroah-Hartman: "Here's the big tty/serial tree set of changes for 3.8-rc1. Contained in here is a bunch more reworks of the tty port layer from Jiri and bugfixes from Alan, along with a number of other tty and serial driver updates by the various driver authors. Also, Jiri has been coerced^Wconvinced to be the co-maintainer of the TTY layer, which is much appreciated by me. All of these have been in the linux-next tree for a while. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" Fixed up some trivial conflicts in the staging tree, due to the fwserial driver having come in both ways (but fixed up a bit in the serial tree), and the ioctl handling in the dgrp driver having been done slightly differently (staging tree got that one right, and removed both TIOCGSOFTCAR and TIOCSSOFTCAR). * tag 'tty-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (146 commits) staging: sb105x: fix potential NULL pointer dereference in mp_chars_in_buffer() staging/fwserial: Remove superfluous free staging/fwserial: Use WARN_ONCE when port table is corrupted staging/fwserial: Destruct embedded tty_port on teardown staging/fwserial: Fix build breakage when !CONFIG_BUG staging: fwserial: Add TTY-over-Firewire serial driver drivers/tty/serial/serial_core.c: clean up HIGH_BITS_OFFSET usage staging: dgrp: dgrp_tty.c: Audit the return values of get/put_user() staging: dgrp: dgrp_tty.c: Remove the TIOCSSOFTCAR ioctl handler from dgrp driver serial: ifx6x60: Add modem power off function in the platform reboot process serial: mxs-auart: unmap the scatter list before we copy the data serial: mxs-auart: disable the Receive Timeout Interrupt when DMA is enabled serial: max310x: Setup missing "can_sleep" field for GPIO tty/serial: fix ifx6x60.c declaration warning serial: samsung: add devicetree properties for non-Exynos SoCs serial: samsung: fix potential soft lockup during uart write tty: vt: Remove redundant null check before kfree. tty/8250 Add check for pci_ioremap_bar failure tty/8250 Add support for Commtech's Fastcom Async-335 and Fastcom Async-PCIe cards tty/8250 Add XR17D15x devices to the exar_handle_irq override ...
2012-11-26staging: dgrp: dgrp_tty.c: Audit the return values of get/put_user()Kumar Amit Mehta1-14/+8
fix for missing audits for return values of get_user() and put_user(). Inspecting the return values of get/put_user() would make the access_ok() redundant, hence removing calls to access_ok() in such scenarios. Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-26staging: dgrp: dgrp_tty.c: Remove the TIOCSSOFTCAR ioctl handler from dgrp driverKumar Amit Mehta1-7/+0
Remove the TIOCSSOFTCAR ioctl handler from dgrp driver and let the core tty layer to take care of this ioctl instead. Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-21staging: dgrp: Fix typo in dgrp driverMasanari Iida2-6/+6
Correct spelling typo in staging/dgrp driver Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-15TTY: call tty_port_destroy in the rest of driversJiri Slaby2-1/+5
After commit "TTY: move tty buffers to tty_port", the tty buffers are not freed in some drivers. This is because tty_port_destructor is not called whenever a tty_port is freed. This was an assumption I counted with but was unfortunately untrue. So fix the drivers to fulfil this assumption. To be sure, the TTY buffers (and later some stuff) are gone along with the tty_port, we have to call tty_port_destroy at tear-down places. This is mostly where the structure containing a tty_port is freed. This patch does exactly that -- put tty_port_destroy at those places. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-14staging: dgrp: remove TIOCGSOFTCAR and TIOCSSOFTCAR handlingBill Pemberton1-15/+0
The TIOCGSOFTCAR and TIOCSSOFTCAR ioctls are handled by the tty layer so the dgrp driver shouldn't try to deal with them itself. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-29staging: dgrp: fix potential NULL defereference issueYuanhan Liu1-1/+1
Fix a coccinelle warning catched by Fengguang's 0-DAY system: + drivers/staging/dgrp/dgrp_net_ops.c:1061:11-27: ERROR: nd is NULL but dereferenced. Put the "done:" label a bit down would solve this issue. Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-29Merge 3.7-rc3 into staging-nextGreg Kroah-Hartman3-0/+18
This resolves the conflict with: drivers/staging/comedi/drivers/amplc_dio200.c and syncs up the changes that happened in the staging directory for 3.7-rc3. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-25staging: dgrp: remove rawreadok module optionBill Pemberton4-25/+0
The functionality behind this option has been removed in the driver so remove the config option to set/unset it. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-25staging: dgrp: remove use of real_raw and read_cnt in dgrp_inputBill Pemberton1-59/+8
dgrp_input used real_raw and read_cnt from struct tty_struct. Those members have gone away. Rework the code to not use them. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-22staging: remove version.h include from dgrp/dgrp_sysfs.cJesper Juhl1-1/+0
The file uses nothing from linux/version.h, so the include is pointless - remove it. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-22staging: dgrp: fix some warningsAlan Cox3-2/+5
Just squashing these to get them out of the analysis queue. nd_ps_desc is an array not a pointer so comparing it with NULL is silly (be nice if gcc shouted about this). And there are some slightly pointless comparisons too. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-17staging: dgrp: check return value of alloc_tty_driverBill Pemberton1-0/+9
alloc_tty_driver was always assumed to succeed. Add code to check the return value and return -ENOMEM if alloc_tty_driver fails. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-17staging: dgrp: check for NULL pointer in (un)register_proc_tableBill Pemberton1-0/+6
register_proc_table and unregister_proc_table didn't deal with the possibility that the *table pointer could be NULL. Check for this and return if table is NULL. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-05staging: serial: dgrp: Add missing #include <linux/uaccess.h>Geert Uytterhoeven3-0/+3
On m68k: drivers/staging/dgrp/dgrp_mon_ops.c: In function ‘dgrp_mon_read’: drivers/staging/dgrp/dgrp_mon_ops.c:304: error: implicit declaration of function ‘copy_to_user’ drivers/staging/dgrp/dgrp_specproc.c: In function ‘config_proc_write’: drivers/staging/dgrp/dgrp_specproc.c:470: error: implicit declaration of function ‘copy_from_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘drp_wmove’: drivers/staging/dgrp/dgrp_tty.c:1284: error: implicit declaration of function ‘copy_from_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘get_modem_info’: drivers/staging/dgrp/dgrp_tty.c:2267: error: implicit declaration of function ‘put_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘set_modem_info’: drivers/staging/dgrp/dgrp_tty.c:2283: error: implicit declaration of function ‘access_ok’ drivers/staging/dgrp/dgrp_tty.c:2283: error: ‘VERIFY_READ’ undeclared (first use in this function) drivers/staging/dgrp/dgrp_tty.c:2283: error: (Each undeclared identifier is reported only once drivers/staging/dgrp/dgrp_tty.c:2283: error: for each function it appears in.) drivers/staging/dgrp/dgrp_tty.c:2287: error: implicit declaration of function ‘get_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘dgrp_tty_digigetedelay’: drivers/staging/dgrp/dgrp_tty.c:2474: error: implicit declaration of function ‘copy_to_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘dgrp_tty_ioctl’: drivers/staging/dgrp/dgrp_tty.c:2618: error: ‘VERIFY_WRITE’ undeclared (first use in this function) Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-03userns: Fix build of drivers/staging/dgrpEric W. Biederman1-2/+2
Explicitly test for GLOBAL_ROOT_UID and GLOBAL_ROOT_GID instead of using 0, allowing dgrp to compile and work properly when user namespace support is enabled. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-25staging: dgrp: using vmalloc needs to include vmalloc.hStephen Rothwell1-0/+1
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-25staging: dgrp: fix potential call to strncpy with a negative numberBill Pemberton1-0/+6
In dgrp_receive() there is: desclen = ((plen - 12) > MAX_DESC_LEN) ? MAX_DESC_LEN : plen - 12; strncpy(nd->nd_ps_desc, b + 12, desclen); However, it's possible for plen to be <= 12 here so we'd be passing a negative number into the strncpy(). Fix this to not make the strncpy call and report an error if desclen is <= 0 Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-21staging: dgrp: add dgrp to the buildBill Pemberton1-3/+9
Kconfig and Makefile changes to add dgrp to the build system. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-21staging: Add dgrp driver for Digi Realport devicesBill Pemberton16-0/+10880
This is based on dgrp-1.9 available from ftp://ftp1.digi.com/support/beta/linux/dgrp/dgrp-1.9.tgz Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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