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mbind(): Fix memory_range_lock deadlock.

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Fixed the problem of "return error/goto out" while
locking the memory_range_lock in mbind().

Change-Id: I980a7a440f652b60379acae3cb3575211a749774
Fujitsu: POSTK_DEBUG_TEMP_FIX_100
This commit is contained in:
Shiratori, Takehiro
2018-10-17 15:19:42 +09:00
committed by Dominique Martinet
parent 04e0456232
commit 724e0eb7d0
1 changed files with 3 additions and 3 deletions
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6
kernel/syscall.c
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@@ -8619,7 +8619,7 @@ SYSCALL_DECLARE(mbind)
error = vm_policy_insert(vm, range_policy); error = vm_policy_insert(vm, range_policy);
if (error) { if (error) {
kprintf("%s: ERROR: could not insert range: %d\n",__FUNCTION__, error); kprintf("%s: ERROR: could not insert range: %d\n",__FUNCTION__, error);
return error; goto unlock_out;
} }
} }
else { else {
@@ -8645,7 +8645,7 @@ SYSCALL_DECLARE(mbind)
error = vm_policy_insert(vm, range_policy); error = vm_policy_insert(vm, range_policy);
if (error) { if (error) {
kprintf("%s: ERROR: could not insert range: %d\n",__FUNCTION__, error); kprintf("%s: ERROR: could not insert range: %d\n",__FUNCTION__, error);
return error; goto unlock_out;
} }
mbind_update_only: mbind_update_only:
@@ -8665,7 +8665,7 @@ mbind_update_only:
default: default:
error = -EINVAL; error = -EINVAL;
goto out; goto unlock_out;
} }
error = 0; error = 0;