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Yang Yingliang 27158c7267 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>

2022-11-23 19:49:22 +01:00

afu_irq.c

cxl/ocxl: Prepare cleanup of powerpc's asm/prom.h

2022-05-11 23:06:39 +10:00

config.c

ocxl: fix pci device refcount leak when calling get_function_0()

2022-11-23 19:49:22 +01:00

context.c

ocxl: Update the Process Element Entry

2020-12-04 01:01:30 +11:00

core.c

ocxl: simplify the return expression of free_function_dev()