project-base/server-skynet-source-3rd-jemalloc
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Fix a PROF_ALLOC_PREP() error path.

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Fix a PROF_ALLOC_PREP() error path to initialize the return value to
NULL.
This commit is contained in:
Jason Evans 2012-04-25 13:13:44 -07:00
parent 6b9ed67b4b
commit 3fb50b0407
2 changed files with 7 additions and 3 deletions
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4
include/jemalloc/internal/prof.h
View File

@ -227,8 +227,10 @@ bool prof_boot2(void);
assert(size == s2u(size)); \
\
prof_tdata = prof_tdata_get(); \
if (prof_tdata == NULL) \
if (prof_tdata == NULL) { \
ret = NULL; \
break; \
} \
\
if (opt_prof_active == false) { \
/* Sampling is currently inactive, so avoid sampling. */\

6
src/jemalloc.c
View File

@ -1384,7 +1384,6 @@ je_allocm(void **ptr, size_t *rsize, size_t size, int flags)
size_t alignment = (ZU(1) << (flags & ALLOCM_LG_ALIGN_MASK)
& (SIZE_T_MAX-1));
bool zero = flags & ALLOCM_ZERO;
prof_thr_cnt_t *cnt;
assert(ptr != NULL);
assert(size != 0);
@ -1397,6 +1396,8 @@ je_allocm(void **ptr, size_t *rsize, size_t size, int flags)
goto label_oom;
if (config_prof && opt_prof) {
prof_thr_cnt_t *cnt;
PROF_ALLOC_PREP(1, usize, cnt);
if (cnt == NULL)
goto label_oom;
@ -1456,7 +1457,6 @@ je_rallocm(void **ptr, size_t *rsize, size_t size, size_t extra, int flags)
& (SIZE_T_MAX-1));
bool zero = flags & ALLOCM_ZERO;
bool no_move = flags & ALLOCM_NO_MOVE;
prof_thr_cnt_t *cnt;
assert(ptr != NULL);
assert(*ptr != NULL);
@ -1466,6 +1466,8 @@ je_rallocm(void **ptr, size_t *rsize, size_t size, size_t extra, int flags)
p = *ptr;
if (config_prof && opt_prof) {
prof_thr_cnt_t *cnt;
/*
* usize isn't knowable before iralloc() returns when extra is
* non-zero. Therefore, compute its maximum possible value and