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[PATCH v4 1/3] tests/migration: mem leak fix
From: |
Mao Zhongyi |
Subject: |
[PATCH v4 1/3] tests/migration: mem leak fix |
Date: |
Sat, 5 Oct 2019 01:32:48 +0800 |
‘data’ has the possibility of memory leaks, so use the
glib macros g_autofree recommended by CODING_STYLE.rst
to automatically release the memory that returned from
g_malloc().
Signed-off-by: Mao Zhongyi <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
---
tests/migration/stress.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)
diff --git a/tests/migration/stress.c b/tests/migration/stress.c
index d9aa4afe92..d8a6f64af0 100644
--- a/tests/migration/stress.c
+++ b/tests/migration/stress.c
@@ -170,26 +170,14 @@ static unsigned long long now(void)
static int stressone(unsigned long long ramsizeMB)
{
size_t pagesPerMB = 1024 * 1024 / PAGE_SIZE;
- char *ram = malloc(ramsizeMB * 1024 * 1024);
+ g_autofree char *ram = g_malloc(ramsizeMB * 1024 * 1024);
char *ramptr;
size_t i, j, k;
- char *data = malloc(PAGE_SIZE);
+ g_autofree char *data = g_malloc(PAGE_SIZE);
char *dataptr;
size_t nMB = 0;
unsigned long long before, after;
- if (!ram) {
- fprintf(stderr, "%s (%05d): ERROR: cannot allocate %llu MB of RAM:
%s\n",
- argv0, gettid(), ramsizeMB, strerror(errno));
- return -1;
- }
- if (!data) {
- fprintf(stderr, "%s (%d): ERROR: cannot allocate %d bytes of RAM:
%s\n",
- argv0, gettid(), PAGE_SIZE, strerror(errno));
- free(ram);
- return -1;
- }
-
/* We don't care about initial state, but we do want
* to fault it all into RAM, otherwise the first iter
* of the loop below will be quite slow. We cna't use
@@ -198,8 +186,6 @@ static int stressone(unsigned long long ramsizeMB)
memset(ram, 0xfe, ramsizeMB * 1024 * 1024);
if (random_bytes(data, PAGE_SIZE) < 0) {
- free(ram);
- free(data);
return -1;
}
@@ -227,9 +213,6 @@ static int stressone(unsigned long long ramsizeMB)
}
}
}
-
- free(data);
- free(ram);
}
--
2.17.1