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display fix crash in intel_dp_aux_xfer #117
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Improper Commit Message |
sysopenci
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rdi is 0x00 [21:59:12.977211]: [ 110.603521] ? __intel_tc_port_lock+0xd/0x100 [21:59:12.977320]: [ 110.603748] intel_dp_aux_xfer+0xb3/0x600 Code: 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 55 89 f5 31 f6 53 <48> 8b 07 48 89 fb 48 83 c7 10 4c 8b 20 e8 21 58 72 00 48 8d bb a8 0 0f 1f 44 00 00 nop dword ptr [rax + rax] 5 41 54 push r12 7 55 push rbp 8 89 f5 mov ebp, esi a 31 f6 xor esi, esi c 53 push rbx d <48> 8b 07 mov rax, qword ptr [rdi] 10 48 89 fb mov rbx, rdi 13 48 83 c7 10 add rdi, 0x10 17 4c 8b 20 mov r12, qword ptr [rax] 1a e8 21 58 72 00 call 0x725840 Tracked-On: IASW-1567 Signed-off-by: Kanli Hu <[email protected]>
feijiang1
reviewed
Mar 24, 2025
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| if (is_tc_port) { | ||
| if (!dig_port) { | ||
| ret = -ENXIO; |
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out_fail just "return ret;", why not just return ret here and add additional out_fail?
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additionally suggest add some error log here
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rdi is 0x00
[21:59:12.977211]: [ 110.603521] ? __intel_tc_port_lock+0xd/0x100
[21:59:12.977320]: [ 110.603748] intel_dp_aux_xfer+0xb3/0x600
Code: 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 55 89 f5 31 f6 53 <48> 8b 07 48 89 fb 48 83 c7 10 4c 8b 20 e8 21 58 72 00 48 8d bb a8
0 0f 1f 44 00 00 nop dword ptr [rax + rax]
5 41 54 push r12
7 55 push rbp
8 89 f5 mov ebp, esi
a 31 f6 xor esi, esi
c 53 push rbx
d <48> 8b 07 mov rax, qword ptr [rdi]
10 48 89 fb mov rbx, rdi
13 48 83 c7 10 add rdi, 0x10
17 4c 8b 20 mov r12, qword ptr [rax]
1a e8 21 58 72 00 call 0x725840
Tracked-On: IASW-1567