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| author | Colin Ian King <colin.king@canonical.com> | 2021-05-12 21:30:51 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-05-13 16:00:54 +0200 |
| commit | 0ff9bf9f3e0ce212aabea84365575466039e8c46 (patch) | |
| tree | da3997f970ac109983f5143339442d76b27e3e68 /drivers/gpu/drm/tiny | |
| parent | 858aa5a4be22368f8d0e8ace7dc0b5ffb62bbdbc (diff) | |
| download | lwn-0ff9bf9f3e0ce212aabea84365575466039e8c46.tar.gz lwn-0ff9bf9f3e0ce212aabea84365575466039e8c46.zip | |
drm: simpledrm: Fix use after free issues
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.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Addresses-Coverity: ("Use after free")
Fixes: 11e8f5fd223b ("drm: Add simpledrm driver")
Link: https://patchwork.freedesktop.org/patch/msgid/20210512203051.299026-1-colin.king@canonical.com
Diffstat (limited to 'drivers/gpu/drm/tiny')
| -rw-r--r-- | drivers/gpu/drm/tiny/simpledrm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tiny/simpledrm.c b/drivers/gpu/drm/tiny/simpledrm.c index 00e118c6e2e8..f72ca3a1c2d4 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; |