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author | Hangyu Hua <hbh25y@gmail.com> | 2022-06-24 05:41:20 +0300 |
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committer | Mathieu Poirier <mathieu.poirier@linaro.org> | 2022-06-24 20:34:00 +0300 |
commit | d7bd416d35121c95fe47330e09a5c04adbc5f928 (patch) | |
tree | 7b4305b97734e0b276f899e9ec5ac74581d6b9b8 /drivers/rpmsg/rpmsg_core.c | |
parent | 416b992b05c94cd691a1909f10e333f02cb81e56 (diff) | |
download | linux-d7bd416d35121c95fe47330e09a5c04adbc5f928.tar.xz |
rpmsg: Fix possible refcount leak in rpmsg_register_device_override()
rpmsg_register_device_override need to call put_device to free vch when
driver_set_override fails.
Fix this by adding a put_device() to the error path.
Fixes: bb17d110cbf2 ("rpmsg: Fix calling device_lock() on non-initialized device")
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220624024120.11576-1-hbh25y@gmail.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Diffstat (limited to 'drivers/rpmsg/rpmsg_core.c')
-rw-r--r-- | drivers/rpmsg/rpmsg_core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index 290c1f02da10..5a47cad89fdc 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -618,6 +618,7 @@ int rpmsg_register_device_override(struct rpmsg_device *rpdev, strlen(driver_override)); if (ret) { dev_err(dev, "device_set_override failed: %d\n", ret); + put_device(dev); return ret; } } |