* Re: drivers: Push down BKL into various drivers [not found] <201005241600.o4OG0QuA012887@hera.kernel.org> @ 2010-06-05 20:39 ` Geert Uytterhoeven 2010-06-05 20:52 ` hp_sdc_rtc: fix broken ioctl conversion Arnd Bergmann 0 siblings, 1 reply; 4+ messages in thread From: Geert Uytterhoeven @ 2010-06-05 20:39 UTC (permalink / raw) To: Arnd Bergmann, Frederic Weisbecker; +Cc: Linux Kernel Mailing List On Mon, May 24, 2010 at 18:00, Linux Kernel Mailing List <linux-kernel@vger.kernel.org> wrote: > diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c > index ad730e1..e00a1cc 100644 > --- a/drivers/input/misc/hp_sdc_rtc.c > +++ b/drivers/input/misc/hp_sdc_rtc.c > @@ -43,6 +43,7 @@ > #include <linux/proc_fs.h> > #include <linux/poll.h> > #include <linux/rtc.h> > +#include <linux/smp_lock.h> > #include <linux/semaphore.h> > > MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>"); > @@ -64,8 +65,8 @@ static DECLARE_WAIT_QUEUE_HEAD(hp_sdc_rtc_wait); > static ssize_t hp_sdc_rtc_read(struct file *file, char __user *buf, > size_t count, loff_t *ppos); > > -static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file, > - unsigned int cmd, unsigned long arg); > +static long hp_sdc_rtc_unlocked_ioctl(struct file *file, > + unsigned int cmd, unsigned long arg); > > static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait); > > @@ -512,7 +513,7 @@ static int hp_sdc_rtc_read_proc(char *page, char **start, off_t off, > return len; > } > > -static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file, > +static int hp_sdc_rtc_ioctl(struct file *file, > unsigned int cmd, unsigned long arg) > { > #if 1 > @@ -659,14 +660,27 @@ static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file, > #endif > } > > +static long hp_sdc_rtc_unlocked_ioctl(struct file *file, > + unsigned int cmd, unsigned long arg) > +{ > + int ret; > + > + lock_kernel(); > + ret = hp_sdc_rtc_ioctl(file, cmd, arg); > + unlock_kernel(); > + > + return ret; > +} > + > + > static const struct file_operations hp_sdc_rtc_fops = { > - .owner = THIS_MODULE, > - .llseek = no_llseek, > - .read = hp_sdc_rtc_read, > - .poll = hp_sdc_rtc_poll, > - .ioctl = hp_sdc_rtc_ioctl, > - .open = hp_sdc_rtc_open, > - .fasync = hp_sdc_rtc_fasync, > + .owner = THIS_MODULE, > + .llseek = no_llseek, > + .read = hp_sdc_rtc_read, > + .poll = hp_sdc_rtc_poll, > + .unlocked_ioctl = hp_sdc_rtc_ioctl, > + .open = hp_sdc_rtc_open, > + .fasync = hp_sdc_rtc_fasync, > }; > > static struct miscdevice hp_sdc_rtc_dev = { Something went wrong with this one: | drivers/input/misc/hp_sdc_rtc.c:681: warning: initialization from incompatible pointer type | drivers/input/misc/hp_sdc_rtc.c:665: warning: ‘hp_sdc_rtc_unlocked_ioctl’ defined but not used (detected while debugging my script to find compiler warning regressions) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds ^ permalink raw reply [flat|nested] 4+ messages in thread
* hp_sdc_rtc: fix broken ioctl conversion 2010-06-05 20:39 ` drivers: Push down BKL into various drivers Geert Uytterhoeven @ 2010-06-05 20:52 ` Arnd Bergmann 2010-06-05 21:01 ` Frederic Weisbecker 2010-06-06 11:17 ` Geert Uytterhoeven 0 siblings, 2 replies; 4+ messages in thread From: Arnd Bergmann @ 2010-06-05 20:52 UTC (permalink / raw) To: Geert Uytterhoeven; +Cc: Frederic Weisbecker, Linux Kernel Mailing List Commit 55929332c92 "drivers: Push down BKL into various drivers" introduced a regression in hp_sdc_rtc, caused by a missing change of the .unlocked_ioctl pointer to the newly introduced function. On Saturday 05 June 2010, Geert Uytterhoeven wrote: > Something went wrong with this one: > > | drivers/input/misc/hp_sdc_rtc.c:681: warning: initialization from > incompatible pointer type > | drivers/input/misc/hp_sdc_rtc.c:665: warning: > ‘hp_sdc_rtc_unlocked_ioctl’ defined but not used Signed-off-by: Arnd Bergmann <arnd@arndb.de> diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c index e00a1cc..c190664 100644 --- a/drivers/input/misc/hp_sdc_rtc.c +++ b/drivers/input/misc/hp_sdc_rtc.c @@ -678,7 +678,7 @@ static const struct file_operations hp_sdc_rtc_fops = { .llseek = no_llseek, .read = hp_sdc_rtc_read, .poll = hp_sdc_rtc_poll, - .unlocked_ioctl = hp_sdc_rtc_ioctl, + .unlocked_ioctl = hp_sdc_rtc_unlocked_ioctl, .open = hp_sdc_rtc_open, .fasync = hp_sdc_rtc_fasync, }; ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: hp_sdc_rtc: fix broken ioctl conversion 2010-06-05 20:52 ` hp_sdc_rtc: fix broken ioctl conversion Arnd Bergmann @ 2010-06-05 21:01 ` Frederic Weisbecker 2010-06-06 11:17 ` Geert Uytterhoeven 1 sibling, 0 replies; 4+ messages in thread From: Frederic Weisbecker @ 2010-06-05 21:01 UTC (permalink / raw) To: Arnd Bergmann; +Cc: Geert Uytterhoeven, Linux Kernel Mailing List On Sat, Jun 05, 2010 at 10:52:21PM +0200, Arnd Bergmann wrote: > Commit 55929332c92 "drivers: Push down BKL into various drivers" > introduced a regression in hp_sdc_rtc, caused by a missing > change of the .unlocked_ioctl pointer to the newly introduced > function. > > On Saturday 05 June 2010, Geert Uytterhoeven wrote: > > Something went wrong with this one: > > > > | drivers/input/misc/hp_sdc_rtc.c:681: warning: initialization from > > incompatible pointer type > > | drivers/input/misc/hp_sdc_rtc.c:665: warning: > > ‘hp_sdc_rtc_unlocked_ioctl’ defined but not used > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > > diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c > index e00a1cc..c190664 100644 > --- a/drivers/input/misc/hp_sdc_rtc.c > +++ b/drivers/input/misc/hp_sdc_rtc.c > @@ -678,7 +678,7 @@ static const struct file_operations hp_sdc_rtc_fops = { > .llseek = no_llseek, > .read = hp_sdc_rtc_read, > .poll = hp_sdc_rtc_poll, > - .unlocked_ioctl = hp_sdc_rtc_ioctl, > + .unlocked_ioctl = hp_sdc_rtc_unlocked_ioctl, > .open = hp_sdc_rtc_open, > .fasync = hp_sdc_rtc_fasync, > }; Queued for .35, thanks! ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: hp_sdc_rtc: fix broken ioctl conversion 2010-06-05 20:52 ` hp_sdc_rtc: fix broken ioctl conversion Arnd Bergmann 2010-06-05 21:01 ` Frederic Weisbecker @ 2010-06-06 11:17 ` Geert Uytterhoeven 1 sibling, 0 replies; 4+ messages in thread From: Geert Uytterhoeven @ 2010-06-06 11:17 UTC (permalink / raw) To: Arnd Bergmann; +Cc: Frederic Weisbecker, Linux Kernel Mailing List On Sat, Jun 5, 2010 at 22:52, Arnd Bergmann <arnd@arndb.de> wrote: > Commit 55929332c92 "drivers: Push down BKL into various drivers" > introduced a regression in hp_sdc_rtc, caused by a missing > change of the .unlocked_ioctl pointer to the newly introduced > function. > > On Saturday 05 June 2010, Geert Uytterhoeven wrote: >> Something went wrong with this one: >> >> | drivers/input/misc/hp_sdc_rtc.c:681: warning: initialization from >> incompatible pointer type >> | drivers/input/misc/hp_sdc_rtc.c:665: warning: >> ‘hp_sdc_rtc_unlocked_ioctl’ defined but not used > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2010-06-06 11:17 UTC | newest]
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[not found] <201005241600.o4OG0QuA012887@hera.kernel.org>
2010-06-05 20:39 ` drivers: Push down BKL into various drivers Geert Uytterhoeven
2010-06-05 20:52 ` hp_sdc_rtc: fix broken ioctl conversion Arnd Bergmann
2010-06-05 21:01 ` Frederic Weisbecker
2010-06-06 11:17 ` Geert Uytterhoeven
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