Commit Graph

15 Commits

Author SHA1 Message Date
Linus Torvalds 93f30c73ec Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull compat and uaccess updates from Al Viro:

 - {get,put}_compat_sigset() series

 - assorted compat ioctl stuff

 - more set_fs() elimination

 - a few more timespec64 conversions

 - several removals of pointless access_ok() in places where it was
   followed only by non-__ variants of primitives

* 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (24 commits)
  coredump: call do_unlinkat directly instead of sys_unlink
  fs: expose do_unlinkat for built-in callers
  ext4: take handling of EXT4_IOC_GROUP_ADD into a helper, get rid of set_fs()
  ipmi: get rid of pointless access_ok()
  pi433: sanitize ioctl
  cxlflash: get rid of pointless access_ok()
  mtdchar: get rid of pointless access_ok()
  r128: switch compat ioctls to drm_ioctl_kernel()
  selection: get rid of field-by-field copyin
  VT_RESIZEX: get rid of field-by-field copyin
  i2c compat ioctls: move to ->compat_ioctl()
  sched_rr_get_interval(): move compat to native, get rid of set_fs()
  mips: switch to {get,put}_compat_sigset()
  sparc: switch to {get,put}_compat_sigset()
  s390: switch to {get,put}_compat_sigset()
  ppc: switch to {get,put}_compat_sigset()
  parisc: switch to {get,put}_compat_sigset()
  get_compat_sigset()
  get rid of {get,put}_compat_itimerspec()
  io_getevents: Use timespec64 to represent timeouts
  ...
2017-11-17 11:54:55 -08:00
Al Viro 50271d388f pi433: sanitize ioctl
a) those access_ok() are pointless
b) guarding against the ioctl number declaration changes in that
way is pointless, especially since we _know_ the size of object
we want to copy.

[folded braino fixes from Colin Ian King and Dan Carpenter]

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-11-10 08:48:20 -05:00
Srishti Sharma 69af5d92da Staging: pi433: Fix the position of brace after if
Fix the position of the brace after if when it is on the next line.
Done using the following semantic patch by coccinelle.

@r1@
position p1, p2;
@@

if(...)@p1 {@p2
...
}

@script: python r2@
p1 << r1.p1;
p2 << r1.p2;
@@

l1 = int (p1[0].line)
l2 = int (p2[0].line)
c1 = int (p1[0].column_end)
c2 = int (p2[0].column)

if l1 == l2 and c1+1 == c2:
        cocci.include_match(False)

@r3@
position r1.p1, r1.p2;
@@

if(...
- )@p1
-{@p2
+) {
...
}

Signed-off-by: Srishti Sharma <srishtishar@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-18 15:55:09 +02:00
Haneen Mohammed 5a60d7ba27 staging: pi433: Replace printk() with dev_dbg()
This patch convert printk() to the preferred variant dev_dbg() and
remove unnecessary comment line.
Issue detected with checkpatch.pl.

Signed-off-by: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-09-17 16:35:27 +02:00
Harsha Sharma 2ebd34caf3 staging: pi433: Fixes minor typo errors
Fixes checkpatch warning -- "occured" and "succesfully" are misspelled

Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-09-17 16:35:27 +02:00
Cihangir Akturk ee26e23616 staging: pi433: fix interrupt handler signatures
Remove "struct pt_regs *" parameter from interrupt handlers, since
it is no longer passed to interrupt handlers. Also, convert return
types to irqreturn_t.

Additionally, move DIO_irq_handler variable into the setup_GPIO
function, as it's not used outside of this function.

Signed-off-by: Cihangir Akturk <cakturk@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-28 10:27:29 +02:00
Xiangyang Zhang 6feb5c82de staging: pi433: fixed coding style issues
space required before the open parenthesis, open brace should be
on previous line.

Signed-off-by: Xiangyang Zhang <xyz.sun.ok@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-20 11:08:41 -07:00
Arnd Bergmann 62f39d49d1 staging: pi433: reduce stack size in tx thread
Putting a 900 byte array on the stack is a clearly too much in the
kernel, and sometimes results in warnings like:

drivers/staging/pi433/pi433_if.c: In function 'pi433_tx_thread':
drivers/staging/pi433/pi433_if.c:645:1: error: the frame size of 1028 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]

This moves the buffer into the dynamically allocated per-device
structure.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-14 17:43:14 -07:00
Elia Geretto 125a452cdf staging: pi433: Use matching enum types calling rf69_set_packet_format
This patch fixes the following four warnings found using sparse:

drivers/staging/pi433/pi433_if.c:211:9: warning: mixing different enum types
drivers/staging/pi433/pi433_if.c:211:9:     int enum optionOnOff  versus
drivers/staging/pi433/pi433_if.c:211:9:     int enum packetFormat
drivers/staging/pi433/pi433_if.c:211:9: warning: mixing different enum types
drivers/staging/pi433/pi433_if.c:211:9:     int enum optionOnOff  versus
drivers/staging/pi433/pi433_if.c:211:9:     int enum packetFormat
drivers/staging/pi433/pi433_if.c:268:9: warning: mixing different enum types
drivers/staging/pi433/pi433_if.c:268:9:     int enum optionOnOff  versus
drivers/staging/pi433/pi433_if.c:268:9:     int enum packetFormat
drivers/staging/pi433/pi433_if.c:268:9: warning: mixing different enum types
drivers/staging/pi433/pi433_if.c:268:9:     int enum optionOnOff  versus
drivers/staging/pi433/pi433_if.c:268:9:     int enum packetFormat

This is done calling the rf69_set_packet_format function using the
appropriate enum for the packetFormat argument.

Signed-off-by: Elia Geretto <elia.f.geretto@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-14 17:43:14 -07:00
Derek Robson 056eeda2f9 staging: pi433: Style fix - align block comments
Fixed the alignment of block comments
Found using checkpatch

Signed-off-by: Derek Robson <robsonde@gmail.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-28 17:03:19 -07:00
Joseph Wright c7d42f3708 Staging: pi433: check error after kthread_run()
Error should be checked with IS_ERR after calling kthread_run()
instead of comparing the returned pointer to an int.

Found by sparse warning:

incompatible types for operation (<)
    left side has type struct task_struct *tx_task_struct
    right side has type int

Signed-off-by: Joseph Wright <rjosephwright@gmail.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Tested-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-28 16:57:26 -07:00
Joseph Wright 7de77a3917 Staging: pi433: declare functions static
Declare functions static to fix sparse warnings:

warning: symbol 'pi433_receive' was not declared. Should it be static?
warning: symbol 'pi433_tx_thread' was not declared. Should it be static?

Signed-off-by: Joseph Wright <rjosephwright@gmail.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-28 16:57:26 -07:00
dan.carpenter@oracle.com 39ae5f1e4b staging: pi433: return -EFAULT if copy_to_user() fails
copy_to_user() to user returns the number of bytes that weren't copied,
but we should be returning -EFAULT to the user.

Fixes: 874bcba65f ("staging: pi433: New driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-28 16:55:40 -07:00
Colin Ian King 28eb855564 staging: pi433: Fix a couple of spelling mistakes
Trivial fix to spelling mistakes in dev_dbg debug messages

"wiat" -> "wait"
"fonud" -> "found"

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-18 08:57:59 +02:00
Marcus Wolf 874bcba65f staging: pi433: New driver
Added a driver for the pi433 radio module
(see https://www.pi433.de/en.html for details).

Signed-off-by: Marcus Wolf <linux@Wolf-Entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-16 16:58:13 +02:00