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| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-11-21 16:43:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-23 19:49:22 +0100 |
| commit | 27158c72678b39ee01cc01de1aba6b51c71abe2f (patch) | |
| tree | dcc108eacd18df31020b0ff40974e41aef5e6863 /samples/acrn/vm-sample.c | |
| parent | misc: ocxl: fix possible name leak in ocxl_file_register_afu() (diff) | |
| download | linux-27158c72678b39ee01cc01de1aba6b51c71abe2f.tar.xz linux-27158c72678b39ee01cc01de1aba6b51c71abe2f.zip | |
ocxl: fix pci device refcount leak when calling get_function_0()
get_function_0() calls pci_get_domain_bus_and_slot(), as comment
says, it returns a pci device with refcount increment, so after
using it, pci_dev_put() needs be called.
Get the device reference when get_function_0() is not called, so
pci_dev_put() can be called in the error path and callers
unconditionally. And add comment above get_dvsec_vendor0() to tell
callers to call pci_dev_put().
Fixes: 87db7579ebd5 ("ocxl: control via sysfs whether the FPGA is reloaded on a link reset")
Suggested-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>
Link: https://lore.kernel.org/r/20221121154339.4088935-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'samples/acrn/vm-sample.c')
0 files changed, 0 insertions, 0 deletions