linux-kernel - [PATCH] powernv: Use __printf in pe_level

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Message-Id: <b204dbb1d8d13998eb8dee4dabbc91a0ee4b38b4.1468511136.git.joe@perches.com>
Date:	Thu, 14 Jul 2016 08:45:55 -0700
From:	Joe Perches <joe@...ches.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] powernv: Use __printf in pe_level_printk

Make the compiler detect format and argument mismatches.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 arch/powerpc/platforms/powernv/pci.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index 3a97990..1c1a586 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -213,6 +213,7 @@ extern void pnv_pci_dma_bus_setup(struct pci_bus *bus);
 extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type);
 extern void pnv_teardown_msi_irqs(struct pci_dev *pdev);
 
+__printf(3, 4)
 extern void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
 			    const char *fmt, ...);
 #define pe_err(pe, fmt, ...)					\
-- 
2.8.0.rc4.16.g56331f8