From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ Upstream commit 45c8034db47842b25a3ab6139d71e13b4e67b9b3 ]
If clk_get_sys(..., "pll_d2_out0") fails, the clk_get_sys() call must be undone.
Add the missing clk_put and a new 'put_pll_d_out0' label in the error handling path, and use it.
Fixes: 0c921b6d4ba0 ("drm/tegra: dc: rgb: Allow changing PLLD rate on Tegra30+") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Signed-off-by: Thierry Reding treding@nvidia.com Link: https://patchwork.freedesktop.org/patch/msgid/0182895ead4e4730426616b0d99959... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/tegra/rgb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index dc138945f3b25..d6424abd3c45d 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -244,7 +244,7 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc) if (IS_ERR(rgb->pll_d2_out0)) { err = PTR_ERR(rgb->pll_d2_out0); dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err); - goto remove; + goto put_pll; } }
@@ -252,6 +252,8 @@ int tegra_dc_rgb_probe(struct tegra_dc *dc)
return 0;
+put_pll: + clk_put(rgb->pll_d_out0); remove: tegra_output_remove(&rgb->output); return err;