scsi: qla2xxx: Perform lockless command completion in abort path

In the Linux kernel, the following vulnerability has been resolved:

scsi: qla2xxx: Perform lockless command completion in abort path

While adding and removing the controller, the following call trace was

observed:

WARNING: CPU: 3 PID: 623596 at kernel/dma/mapping.c:532 dma_free_attrs+0x33/0x50

CPU: 3 PID: 623596 Comm: sh Kdump: loaded Not tainted 5.14.0-96.el9.x86_64 #1

RIP: 0010:dma_free_attrs+0x33/0x50

Call Trace:

qla2x00_async_sns_sp_done+0x107/0x1b0 [qla2xxx]

qla2x00_abort_srb+0x8e/0x250 [qla2xxx]

? ql_dbg+0x70/0x100 [qla2xxx]

__qla2x00_abort_all_cmds+0x108/0x190 [qla2xxx]

qla2x00_abort_all_cmds+0x24/0x70 [qla2xxx]

qla2x00_abort_isp_cleanup+0x305/0x3e0 [qla2xxx]

qla2x00_remove_one+0x364/0x400 [qla2xxx]

pci_device_remove+0x36/0xa0

__device_release_driver+0x17a/0x230

device_release_driver+0x24/0x30

pci_stop_bus_device+0x68/0x90

pci_stop_and_remove_bus_device_locked+0x16/0x30

remove_store+0x75/0x90

kernfs_fop_write_iter+0x11c/0x1b0

new_sync_write+0x11f/0x1b0

vfs_write+0x1eb/0x280

ksys_write+0x5f/0xe0

do_syscall_64+0x5c/0x80

? do_user_addr_fault+0x1d8/0x680

? do_syscall_64+0x69/0x80

? exc_page_fault+0x62/0x140

? asm_exc_page_fault+0x8/0x30

entry_SYSCALL_64_after_hwframe+0x44/0xae

The command was completed in the abort path during driver unload with a

lock held, causing the warning in abort path. Hence complete the command

without any lock held.