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Date: Thu, 16 Apr 2015 10:04:40 +0200 From: Pavel Machek <pavel@....cz> To: tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, jgross@...e.com, roland@...estorage.com, akpm@...ux-foundation.org, linux-kernel@...r.kernel.org Subject: [patch for 4.0] x86: silence warning in /dev/mem support The compiler is right, the code is tricky, but it is also correct AFAICT. Signed-off-by: Pavel Machek <pavel@....cz> diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index fdf617c..8a8dce8 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -341,7 +341,7 @@ void *xlate_dev_mem_ptr(phys_addr_t phys) addr = (void __force *)ioremap_cache(start, PAGE_SIZE); if (addr) - addr = (void *)((unsigned long)addr | (phys & ~PAGE_MASK)); + addr = (void *)((unsigned long)addr | (unsigned long) (phys & ~PAGE_MASK)); return addr; } -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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