From: Colin Ian King colin.king@canonical.com
There are two occurrances where objects are being free'd via a put call and yet they are being referenced after this. Fix these by adding in the missing continue statement so that the put on the end of the loop is skipped over.
Addresses-Coverity: ("Use after free") Fixes: 11e8f5fd223b ("drm: Add simpledrm driver") Signed-off-by: Colin Ian King colin.king@canonical.com --- drivers/gpu/drm/tiny/simpledrm.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c index 2bdb477d9326..eae748394b00 100644 --- a/drivers/gpu/drm/tiny/simpledrm.c +++ b/drivers/gpu/drm/tiny/simpledrm.c @@ -298,6 +298,7 @@ static int simpledrm_device_init_clocks(struct simpledrm_device *sdev) drm_err(dev, "failed to enable clock %u: %d\n", i, ret); clk_put(clock); + continue; } sdev->clks[i] = clock; } @@ -415,6 +416,7 @@ static int simpledrm_device_init_regulators(struct simpledrm_device *sdev) drm_err(dev, "failed to enable regulator %u: %d\n", i, ret); regulator_put(regulator); + continue; }
sdev->regulators[i++] = regulator;
Hi
Am 12.05.21 um 22:30 schrieb Colin King:
From: Colin Ian King colin.king@canonical.com
There are two occurrances where objects are being free'd via a put call and yet they are being referenced after this. Fix these by adding in the missing continue statement so that the put on the end of the loop is skipped over.
Addresses-Coverity: ("Use after free") Fixes: 11e8f5fd223b ("drm: Add simpledrm driver") Signed-off-by: Colin Ian King colin.king@canonical.com
Queued up for drm-misc-next. Thanks!
Best regards Thomas
drivers/gpu/drm/tiny/simpledrm.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c index 2bdb477d9326..eae748394b00 100644 --- a/drivers/gpu/drm/tiny/simpledrm.c +++ b/drivers/gpu/drm/tiny/simpledrm.c @@ -298,6 +298,7 @@ static int simpledrm_device_init_clocks(struct simpledrm_device *sdev) drm_err(dev, "failed to enable clock %u: %d\n", i, ret); clk_put(clock);
} sdev->clks[i] = clock; }continue;
@@ -415,6 +416,7 @@ static int simpledrm_device_init_regulators(struct simpledrm_device *sdev) drm_err(dev, "failed to enable regulator %u: %d\n", i, ret); regulator_put(regulator);
continue;
}
sdev->regulators[i++] = regulator;
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