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Date: Wed, 27 Mar 2019 14:09:23 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Stefan Roese <sr@...x.de>, Mark Brown <broonie@...nel.org>, Sankalp Negi <sankalpnegi2310@...il.com>, Chuanhong Guo <gch981213@...il.com>, John Crispin <john@...ozen.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Sasha Levin <sashal@...nel.org>, devel@...verdev.osuosl.org Subject: [PATCH AUTOSEL 4.19 131/192] staging: spi: mt7621: Add return code check on device_reset() From: Stefan Roese <sr@...x.de> [ Upstream commit 46c337872f34bc6387b0c29a4964f562c70139e3 ] This patch adds a return code check on device_reset() and removes the compile warning. Signed-off-by: Stefan Roese <sr@...x.de> Cc: Mark Brown <broonie@...nel.org> Cc: Sankalp Negi <sankalpnegi2310@...il.com> Cc: Chuanhong Guo <gch981213@...il.com> Cc: John Crispin <john@...ozen.org> Reviewed-by: NeilBrown <neil@...wn.name> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/staging/mt7621-spi/spi-mt7621.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/staging/mt7621-spi/spi-mt7621.c b/drivers/staging/mt7621-spi/spi-mt7621.c index d045b5568e0f..578aa6824ad3 100644 --- a/drivers/staging/mt7621-spi/spi-mt7621.c +++ b/drivers/staging/mt7621-spi/spi-mt7621.c @@ -429,6 +429,7 @@ static int mt7621_spi_probe(struct platform_device *pdev) int status = 0; struct clk *clk; struct mt7621_spi_ops *ops; + int ret; match = of_match_device(mt7621_spi_match, &pdev->dev); if (!match) @@ -476,7 +477,11 @@ static int mt7621_spi_probe(struct platform_device *pdev) rs->pending_write = 0; dev_info(&pdev->dev, "sys_freq: %u\n", rs->sys_freq); - device_reset(&pdev->dev); + ret = device_reset(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "SPI reset failed!\n"); + return ret; + } mt7621_spi_reset(rs, 0); -- 2.19.1
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