From mboxrd@z Thu Jan 1 00:00:00 1970 From: m.szyprowski@samsung.com (Marek Szyprowski) Date: Wed, 08 Jun 2016 08:51:53 +0200 Subject: [PATCH] of: reserved_mem: restore old behavior when no region is defined In-Reply-To: <20160607143425.GE1165@e106497-lin.cambridge.arm.com> References: <20160607143425.GE1165@e106497-lin.cambridge.arm.com> Message-ID: <1465368713-17866-1-git-send-email-m.szyprowski@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Change return value back to -ENODEV when no region is defined for given device. This restores old behavior of this function, as some drivers rely on such error code. Reported-by: Liviu Dudau Fixes: 59ce4039727ef40 ("of: reserved_mem: add support for using more than one region for given device") Signed-off-by: Marek Szyprowski --- drivers/of/of_reserved_mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 3cf129f..06af99f 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -334,7 +334,7 @@ int of_reserved_mem_device_init_by_idx(struct device *dev, target = of_parse_phandle(np, "memory-region", idx); if (!target) - return -EINVAL; + return -ENODEV; rmem = __find_rmem(target); of_node_put(target); -- 1.9.2