Messages in this thread | | | Date | Mon, 27 May 2013 16:27:14 +0200 | From | Daniel Lezcano <> | Subject | Re: [PATCH] clocksource: dw_apb: fix error check |
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On 05/27/2013 03:49 PM, Baruch Siach wrote: > Hi Daniel, > > On Mon, May 27, 2013 at 03:14:23PM +0200, Daniel Lezcano wrote: >> On 05/27/2013 01:51 PM, Baruch Siach wrote: >>> irq_of_parse_and_map() returns 0 on error, while the code checks for NO_IRQ. >>> This breaks on platforms that have NO_IRQ != 0. >>> >>> Cc: <stable@vger.kernel.org> >>> Signed-off-by: Baruch Siach <baruch@tkos.co.il> >>> --- >> >> Shouldn't the 'irq_of_parse_and_map' function to be fixed and return >> NO_IRQ in case of error ? (even if some code checks the return value is >> 'zero' in case of error [1], while some other code checks NO_IRQ [2]). > > Probably not. See http://lwn.net/Articles/470820/.
Very interesting. Thx for the pointer !
-- Daniel
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