From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ Upstream commit 466c1e6d05003707e8baa16668e7bc287d875d5e ]
Release some resources in the error handling path of the probe and of sun8i_a83t_mipi_csi2_resources_setup(), as already done in the remove function.
Fixes: 576d196c522b ("media: sunxi: Add support for the A83T MIPI CSI-2 controller") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Acked-by: Paul Kocialkowski paul.kocialkowski@bootlin.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- .../sun8i_a83t_mipi_csi2.c | 23 +++++++++++++++---- 1 file changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c b/drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c index d052ee77ef0a..b032ec13a683 100644 --- a/drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c +++ b/drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c @@ -719,13 +719,15 @@ sun8i_a83t_mipi_csi2_resources_setup(struct sun8i_a83t_mipi_csi2_device *csi2_de csi2_dev->clock_mipi = devm_clk_get(dev, "mipi"); if (IS_ERR(csi2_dev->clock_mipi)) { dev_err(dev, "failed to acquire mipi clock\n"); - return PTR_ERR(csi2_dev->clock_mipi); + ret = PTR_ERR(csi2_dev->clock_mipi); + goto error_clock_rate_exclusive; }
csi2_dev->clock_misc = devm_clk_get(dev, "misc"); if (IS_ERR(csi2_dev->clock_misc)) { dev_err(dev, "failed to acquire misc clock\n"); - return PTR_ERR(csi2_dev->clock_misc); + ret = PTR_ERR(csi2_dev->clock_misc); + goto error_clock_rate_exclusive; }
/* Reset */ @@ -733,7 +735,8 @@ sun8i_a83t_mipi_csi2_resources_setup(struct sun8i_a83t_mipi_csi2_device *csi2_de csi2_dev->reset = devm_reset_control_get_shared(dev, NULL); if (IS_ERR(csi2_dev->reset)) { dev_err(dev, "failed to get reset controller\n"); - return PTR_ERR(csi2_dev->reset); + ret = PTR_ERR(csi2_dev->reset); + goto error_clock_rate_exclusive; }
/* D-PHY */ @@ -741,7 +744,7 @@ sun8i_a83t_mipi_csi2_resources_setup(struct sun8i_a83t_mipi_csi2_device *csi2_de ret = sun8i_a83t_dphy_register(csi2_dev); if (ret) { dev_err(dev, "failed to initialize MIPI D-PHY\n"); - return ret; + goto error_clock_rate_exclusive; }
/* Runtime PM */ @@ -749,6 +752,11 @@ sun8i_a83t_mipi_csi2_resources_setup(struct sun8i_a83t_mipi_csi2_device *csi2_de pm_runtime_enable(dev);
return 0; + +error_clock_rate_exclusive: + clk_rate_exclusive_put(csi2_dev->clock_mod); + + return ret; }
static void @@ -778,9 +786,14 @@ static int sun8i_a83t_mipi_csi2_probe(struct platform_device *platform_dev)
ret = sun8i_a83t_mipi_csi2_bridge_setup(csi2_dev); if (ret) - return ret; + goto error_resources;
return 0; + +error_resources: + sun8i_a83t_mipi_csi2_resources_cleanup(csi2_dev); + + return ret; }
static int sun8i_a83t_mipi_csi2_remove(struct platform_device *platform_dev)