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Set oldfp so the check for fp == oldfp works as expected.

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Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2016-05-31 11:32:09 +00:00
parent ba165a31b3
commit 1cb290d2f2
1 changed files with 3 additions and 1 deletions
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4
sys/cddl/dev/dtrace/aarch64/dtrace_isa.c
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@ -119,7 +119,7 @@ dtrace_getustack_common(uint64_t *pcstack, int pcstack_limit, uintptr_t pc,
volatile uint16_t *flags =
(volatile uint16_t *)&cpu_core[curcpu].cpuc_dtrace_flags;
int ret = 0;
uintptr_t oldfp;
uintptr_t oldfp = fp;
ASSERT(pcstack == NULL || pcstack_limit > 0);
@ -168,6 +168,8 @@ dtrace_getustack_common(uint64_t *pcstack, int pcstack_limit, uintptr_t pc,
*flags &= ~CPU_DTRACE_FAULT;
break;
}
oldfp = fp;
}
return (ret);