[PATCH v3 3/8] media: qcom: camss: Fix potential crash if domain attach fails

From: Vikram Sharma
Date: Fri Oct 11 2024 - 10:11:28 EST


Fix a potential crash in camss by ensuring detach is skipped if attach
is unsuccessful.

Fixes: d89751c61279 ("media: qcom: camss: Add support for named power-domains")
CC: stable@xxxxxxxxxxxxxxx
Signed-off-by: Vikram Sharma <quic_vikramsa@xxxxxxxxxxx>
---
drivers/media/platform/qcom/camss/camss.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index d64985ca6e88..b6658df37709 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -2131,8 +2131,7 @@ static int camss_configure_pd(struct camss *camss)
camss->genpd = dev_pm_domain_attach_by_name(camss->dev,
camss->res->pd_name);
if (IS_ERR(camss->genpd)) {
- ret = PTR_ERR(camss->genpd);
- goto fail_pm;
+ return PTR_ERR(camss->genpd);
}
}

@@ -2149,7 +2148,7 @@ static int camss_configure_pd(struct camss *camss)
ret = -ENODEV;
else
ret = PTR_ERR(camss->genpd);
- goto fail_pm;
+ return ret;
}
camss->genpd_link = device_link_add(camss->dev, camss->genpd,
DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME |
--
2.25.1