b2abdffb50
Fix the crash of regmr_cmd called by erdma_ib_alloc_mr. The reason is
that mr->mem.mtt is not initialized but it is accessed in regmr_cmd.
The call trace information:
BUG: kernel NULL pointer dereference, address: 0000000000000000
<...>
RIP: 0010:regmr_cmd+0x170/0x1c0 [erdma]
<...>
Call Trace:
? __die+0x20/0x70
? page_fault_oops+0x66/0x150
? do_user_addr_fault+0x61/0x660
? exc_page_fault+0x65/0x140
? asm_exc_page_fault+0x22/0x30
? regmr_cmd+0x170/0x1c0 [erdma]
? preempt_count_add+0x70/0xa0
? _raw_spin_lock_irqsave+0x19/0x50
? _raw_spin_unlock_irqrestore+0x1b/0x40
? erdma_alloc_idx+0x51/0x90 [erdma]
erdma_get_dma_mr+0xa3/0x120 [erdma]
__ib_alloc_pd+0xeb/0x1c0 [ib_core]
Fixes:
|
||
|---|---|---|
| .. | ||
| erdma_cm.c | ||
| erdma_cm.h | ||
| erdma_cmdq.c | ||
| erdma_cq.c | ||
| erdma_eq.c | ||
| erdma_hw.h | ||
| erdma_main.c | ||
| erdma_qp.c | ||
| erdma_verbs.c | ||
| erdma_verbs.h | ||
| erdma.h | ||
| Kconfig | ||
| Makefile | ||