ioctl: use dummy passthru command #3004
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The ioctl probing is triggering a valgrind report. Let's pass in a empty command which will return a status code (0x4101) if the ioctl is supported. ==143223== Syscall param ioctl(generic) points to unaddressable byte(s) ==143223== at 0x49BE36D: ioctl (ioctl.c:36) ==143223== by 0x48644AB: __nvme_transport_handle_open_direct (linux.c:110) ==143223== by 0x48646C1: nvme_open (linux.c:169) ==143223== by 0x40DDBD: get_transport_handle (nvme.c:366) ==143223== by 0x40DF00: parse_and_open (nvme.c:404) ==143223== by 0x42F4BC: submit_io (nvme.c:8237) ==143223== by 0x430268: read_cmd (nvme.c:8470) ==143223== by 0x45CDD6: handle_plugin (plugin.c:190) ==143223== by 0x43ACF2: main (nvme.c:11032) Signed-off-by: Daniel Wagner <[email protected]>
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The ioctl probing is triggering a valgrind report. Let's pass in a empty command which will return a status code (0x4101) if the ioctl is supported.
==143223== Syscall param ioctl(generic) points to unaddressable byte(s)
==143223== at 0x49BE36D: ioctl (ioctl.c:36)
==143223== by 0x48644AB: __nvme_transport_handle_open_direct (linux.c:110)
==143223== by 0x48646C1: nvme_open (linux.c:169)
==143223== by 0x40DDBD: get_transport_handle (nvme.c:366)
==143223== by 0x40DF00: parse_and_open (nvme.c:404)
==143223== by 0x42F4BC: submit_io (nvme.c:8237)
==143223== by 0x430268: read_cmd (nvme.c:8470)
==143223== by 0x45CDD6: handle_plugin (plugin.c:190)
==143223== by 0x43ACF2: main (nvme.c:11032)