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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 8 of 8] xl: free the libxl types contained in struct domain_config
# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1280829842 -3600
# Node ID e977c80592ca15c3bb42edf0a4fcdeb3794543f2
# Parent 6baa8ce2ec5ed5d140a67b87d2514e88464df34e
xl: free the libxl types contained in struct domain_config
Resolves the following leaks found using "valgrind xl create -n ..."
(plus presumably others which didn't trigger because I have no devices
of that type)
==21241== 5 bytes in 1 blocks are definitely lost in loss record 1 of 6
==21241== at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241== by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241== by 0x804E56B: parse_config_data (xl_cmdimpl.c:760)
==21241== by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241== by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241== by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 6 bytes in 1 blocks are definitely lost in loss record 2 of 6
==21241== at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241== by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241== by 0x804DAAA: parse_config_data (xl_cmdimpl.c:586)
==21241== by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241== by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241== by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 24 bytes in 1 blocks are definitely lost in loss record 3 of 6
==21241== at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241== by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241== by 0x804E51F: parse_config_data (xl_cmdimpl.c:754)
==21241== by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241== by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241== by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 27 bytes in 1 blocks are definitely lost in loss record 4 of 6
==21241== at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241== by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241== by 0x804DF4A: parse_config_data (xl_cmdimpl.c:664)
==21241== by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241== by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241== by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 28 bytes in 1 blocks are definitely lost in loss record 5 of 6
==21241== at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241== by 0x410C1A7: vasprintf (in /lib/i686/cmov/libc-2.7.so)
==21241== by 0x40EE59A: asprintf (in /lib/i686/cmov/libc-2.7.so)
==21241== by 0x804CA8B: init_nic_info (xl_cmdimpl.c:322)
==21241== by 0x804E6FF: parse_config_data (xl_cmdimpl.c:791)
==21241== by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241== by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241== by 0x804B2FB: main (xl.c:76)
==21241==
==21241== 44 bytes in 1 blocks are definitely lost in loss record 6 of 6
==21241== at 0x4022F0A: malloc (vg_replace_malloc.c:236)
==21241== by 0x411B22F: strdup (in /lib/i686/cmov/libc-2.7.so)
==21241== by 0x804E168: parse_config_data (xl_cmdimpl.c:694)
==21241== by 0x8056B04: create_domain (xl_cmdimpl.c:1357)
==21241== by 0x8057ECE: main_create (xl_cmdimpl.c:3154)
==21241== by 0x804B2FB: main (xl.c:76)
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
diff -r 6baa8ce2ec5e -r e977c80592ca tools/libxl/libxl_utils.c
--- a/tools/libxl/libxl_utils.c Tue Aug 03 10:59:46 2010 +0100
+++ b/tools/libxl/libxl_utils.c Tue Aug 03 11:04:02 2010 +0100
@@ -81,7 +81,7 @@ int libxl_name_to_domid(libxl_ctx *ctx,
return ret;
}
-char *libxl_poolid_to_name(libxl_ctx *ctx, uint32_t poolid)
+const char *libxl_poolid_to_name(libxl_ctx *ctx, uint32_t poolid)
{
unsigned int len;
char path[strlen("/local/pool") + 12];
@@ -99,7 +99,7 @@ int libxl_name_to_poolid(libxl_ctx *ctx,
uint32_t *poolid)
{
int i, nb_pools;
- char *poolname;
+ const char *poolname;
libxl_poolinfo *poolinfo;
poolinfo = libxl_list_pool(ctx, &nb_pools);
diff -r 6baa8ce2ec5e -r e977c80592ca tools/libxl/libxl_utils.h
--- a/tools/libxl/libxl_utils.h Tue Aug 03 10:59:46 2010 +0100
+++ b/tools/libxl/libxl_utils.h Tue Aug 03 11:04:02 2010 +0100
@@ -22,7 +22,7 @@ int libxl_name_to_domid(libxl_ctx *ctx,
int libxl_name_to_domid(libxl_ctx *ctx, const char *name, uint32_t *domid);
char *libxl_domid_to_name(libxl_ctx *ctx, uint32_t domid);
int libxl_name_to_poolid(libxl_ctx *ctx, const char *name, uint32_t *poolid);
-char *libxl_poolid_to_name(libxl_ctx *ctx, uint32_t poolid);
+const char *libxl_poolid_to_name(libxl_ctx *ctx, uint32_t poolid);
int libxl_get_stubdom_id(libxl_ctx *ctx, int guest_domid);
int libxl_is_stubdom(libxl_ctx *ctx, uint32_t domid, uint32_t *target_domid);
int libxl_create_logfile(libxl_ctx *ctx, char *name, char **full_name);
diff -r 6baa8ce2ec5e -r e977c80592ca tools/libxl/libxltypes.py
--- a/tools/libxl/libxltypes.py Tue Aug 03 10:59:46 2010 +0100
+++ b/tools/libxl/libxltypes.py Tue Aug 03 11:04:02 2010 +0100
@@ -232,7 +232,7 @@ libxl_domain_create_info = Struct("domai
("xsdata", KeyValueList(string, string)),
("platformdata", KeyValueList(string, string)),
("poolid", uint32),
- ("poolname", string),
+ ("poolname", string, True),
])
libxl_domain_build_info = Struct("domain_build_info",[
diff -r 6baa8ce2ec5e -r e977c80592ca tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c Tue Aug 03 10:59:46 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c Tue Aug 03 11:04:02 2010 +0100
@@ -145,12 +145,34 @@ struct domain_config {
static void free_domain_config(struct domain_config *d_config)
{
+ int i;
+
+ for (i=0; i<d_config->num_disks; i++)
+ libxl_device_disk_destroy(&d_config->disks[i]);
free(d_config->disks);
+
+ for (i=0; i<d_config->num_vifs; i++)
+ libxl_device_nic_destroy(&d_config->vifs[i]);
free(d_config->vifs);
+
+ for (i=0; i<d_config->num_vif2s; i++)
+ libxl_device_net2_destroy(&d_config->vif2s[i]);
free(d_config->vif2s);
+
+ for (i=0; i<d_config->num_pcidevs; i++)
+ libxl_device_pci_destroy(&d_config->pcidevs[i]);
free(d_config->pcidevs);
+
+ for (i=0; i<d_config->num_vfbs; i++)
+ libxl_device_vfb_destroy(&d_config->vfbs[i]);
free(d_config->vfbs);
+
+ for (i=0; i<d_config->num_vkbs; i++)
+ libxl_device_vkb_destroy(&d_config->vkbs[i]);
free(d_config->vkbs);
+
+ libxl_domain_create_info_destroy(&d_config->c_info);
+ libxl_domain_build_info_destroy(&d_config->b_info);
}
/* Optional data, in order:
@@ -310,7 +332,7 @@ static void init_nic_info(libxl_device_n
nic_info->domid = 0;
nic_info->devid = devnum;
nic_info->mtu = 1492;
- nic_info->model = "e1000";
+ nic_info->model = strdup("e1000");
nic_info->mac[0] = 0x00;
nic_info->mac[1] = 0x16;
nic_info->mac[2] = 0x3e;
@@ -318,7 +340,7 @@ static void init_nic_info(libxl_device_n
nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
nic_info->ifname = NULL;
- nic_info->bridge = "xenbr0";
+ nic_info->bridge = strdup("xenbr0");
CHK_ERRNO( asprintf(&nic_info->script, "%s/vif-bridge",
libxl_xen_script_dir_path()) );
nic_info->nictype = NICTYPE_IOEMU;
@@ -800,6 +822,7 @@ static void parse_config_data(const char
break;
*p2 = '\0';
if (!strcmp(p, "model")) {
+ free(nic->model);
nic->model = strdup(p2 + 1);
} else if (!strcmp(p, "mac")) {
char *p3 = p2 + 1;
@@ -821,6 +844,7 @@ static void parse_config_data(const char
*(p3 + 2) = '\0';
nic->mac[5] = strtol(p3, NULL, 16);
} else if (!strcmp(p, "bridge")) {
+ free(nic->bridge);
nic->bridge = strdup(p2 + 1);
} else if (!strcmp(p, "type")) {
if (!strcmp(p2 + 1, "ioemu"))
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