From 46c337872f34bc6387b0c29a4964f562c70139e3 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Fri, 1 Feb 2019 11:17:09 +0100 Subject: [PATCH] staging: spi: mt7621: Add return code check on device_reset() This patch adds a return code check on device_reset() and removes the compile warning. Signed-off-by: Stefan Roese Cc: Mark Brown Cc: Sankalp Negi Cc: Chuanhong Guo Cc: John Crispin Reviewed-by: NeilBrown Signed-off-by: Greg Kroah-Hartman --- 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 440c3f77fde8..ca4632740827 100644 --- a/drivers/staging/mt7621-spi/spi-mt7621.c +++ b/drivers/staging/mt7621-spi/spi-mt7621.c @@ -321,6 +321,7 @@ 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) @@ -368,7 +369,11 @@ 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); -- 2.30.2