* [BUG] drivers/scsi/esas2r: a possible sleep-in-atomic bug in esas2r_nvram_read_direct
@ 2017-12-12 8:15 Jia-Ju Bai
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From: Jia-Ju Bai @ 2017-12-12 8:15 UTC (permalink / raw)
To: linuxdrivers, jejb, martin.petersen; +Cc: linux-scsi, Linux Kernel Mailing List
The driver may sleep in the interrupt handler.
The function call path is:
esas2r_adapter_tasklet (interrupt handler)
esas2r_do_tasklet_tasks
esas2r_handle_chip_rst_during_tasklet
esas2r_init_adapter_hw
esas2r_nvram_read_direct
down_interruptible --> may sleep
I do not find a good way to fix it, so I only report.
This possible bug is found by my static analysis tool (DSAC) and checked
by my code review.
Thanks,
Jia-Ju Bai
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2017-12-12 8:15 [BUG] drivers/scsi/esas2r: a possible sleep-in-atomic bug in esas2r_nvram_read_direct Jia-Ju Bai
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