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Date: Tue, 2 Oct 2012 18:36:54 +0200 From: Arnd Bergmann <arnd@...db.de> To: linux-arm-kernel@...radead.org Cc: arm@...nel.org, linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, Russell King <rmk+kernel@....linux.org.uk> Subject: [PATCH 15/17] ARM: rpc: check device_register return code in ecard_probe device_register is marked __must_check, so we better propagate the error value by returning it from ecard_probe. Without this patch, building rpc_defconfig results in: arch/arm/mach-rpc/ecard.c: In function 'ecard_probe': arch/arm/mach-rpc/ecard.c:963:17: warning: ignoring return value of 'device_register', declared with attribute warn_unused_result [-Wunused-result] Signed-off-by: Arnd Bergmann <arnd@...db.de> Cc: Russell King <rmk+kernel@....linux.org.uk> --- arch/arm/mach-rpc/ecard.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c index b91bc87..fcb1d59 100644 --- a/arch/arm/mach-rpc/ecard.c +++ b/arch/arm/mach-rpc/ecard.c @@ -960,7 +960,9 @@ static int __init ecard_probe(int slot, unsigned irq, card_type_t type) *ecp = ec; slot_to_expcard[slot] = ec; - device_register(&ec->dev); + rc = device_register(&ec->dev); + if (rc) + goto nodev; return 0; -- 1.7.10 -- 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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