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Groups > linux.kernel > #1467276
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 4/4] rtl8712: pwrctrl_priv: Replace semaphore lock with mutex |
| Date | 2016-08-21 23:40 +0200 |
| Message-ID | <s8IDf-5Jn-17@gated-at.bofh.it> (permalink) |
| References | <rFsqB-1dm-5@gated-at.bofh.it> <rFsqC-1dm-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Jun 02, 2016 at 09:54:10AM +0530, Binoy Jayan wrote: > The semaphore 'lock' in 'pwrctrl_priv' is used as a simple mutex, so it > should be written as one. Semaphores are going away in the future. > _enter_pwrlock was using down_interruptible(), so the lock could be broken > by sending a signal. This could be a bug, because nothing checks the return > code here. Hence, using mutex_lock instead of the interruptible version. > Removing the now unused _enter_pwrlock and _down_sema. > > Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org> > Reviewed-by: Arnd Bergmann <arnd@arndb.de> > Tested-by: Larry Finger <Larry.Finger@lwfinger.net> > --- > This patch depends on the following patch: > rtl8712: intf_priv: Replace semaphore lock with completion This one patch doesn't apply to my tree for some odd reason. Can you rebase it on my staging-testing branch and resend it? thanks, greg k-h
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Re: [PATCH v2 4/4] rtl8712: pwrctrl_priv: Replace semaphore lock with mutex Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-21 23:40 +0200
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