From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Fri, 20 Feb 2015 09:22:26 +0100 Subject: [PATCH] ARM: OMAP2+: Return correct error values from device and hwmod In-Reply-To: <1424389302-24380-1-git-send-email-pali.rohar@gmail.com> References: <1424389302-24380-1-git-send-email-pali.rohar@gmail.com> Message-ID: <20150220082226.GB14057@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri 2015-02-20 00:41:41, Pali Roh?r wrote: > Without this patch function pm_runtime_get_sync() returns 0 even when some > omap subfunction fails. This patch properly propagate error codes from omap > functions back to caller. > > This patch fix problem, when loading omap-aes driver in qemu cause kernel oops. "fixes" > Signed-off-by: Pali Roh?r Acked-by: Pavel Machek > @@ -3350,16 +3350,17 @@ int omap_hwmod_enable(struct omap_hwmod *oh) > */ > int omap_hwmod_idle(struct omap_hwmod *oh) > { > + int r; > unsigned long flags; > > if (!oh) > return -EINVAL; > > spin_lock_irqsave(&oh->_lock, flags); > - _idle(oh); > + r = _idle(oh); > spin_unlock_irqrestore(&oh->_lock, flags); > > - return 0; > + return r; > } Normally, such variable is called ret or res... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html