rtc: xgene: fix possible race condition

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The IRQ is requested before the struct rtc is allocated and registered, but
this struct is used in the IRQ handler. This may lead to a NULL pointer
dereference.

Switch to devm_rtc_allocate_device/rtc_register_device to allocate the rtc
struct before requesting the IRQ.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

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This commit is contained in:

Alexandre Belloni 2019-03-20 13:32:27 +01:00

parent 540a11d8bd

commit a652e00ee1

1 changed files with 11 additions and 7 deletions

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18

drivers/rtc/rtc-xgene.c

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