于 2013-07-02 23:30, Boris Fiuczynski 写道:

Xu Wang, it looks like there is still a memory leak on variable type in method has_kvm_domain_type.

Mit freundlichen Grüßen/Kind Regards Boris Fiuczynski

IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Martina Köderitz Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen Registergericht: Amtsgericht Stuttgart, HRB 243294

...

Now system_has_kvm() would check all type value of domain label in caps. If any of them type is "kvm", system_has_kvm() return 1 as true result.

Signed-off-by: Xu Wang <cngesaint@gmail.com> --- libxkutil/device_parsing.c | 13 +++++-------- libxkutil/device_parsing.h | 2 +- src/Virt_VirtualSystemManagementService.c | 7 +------ 3 files changed, 7 insertions(+), 15 deletions(-)

diff --git a/libxkutil/device_parsing.c b/libxkutil/device_parsing.c index 16195da..98c6c54 100644 --- a/libxkutil/device_parsing.c +++ b/libxkutil/device_parsing.c @@ -396,7 +396,7 @@ err: return 0; }

-int parse_domain_type(xmlNodePtr node, char **value) +int has_kvm_domain_type(xmlNodePtr node) { xmlNodePtr child = NULL; char *type = NULL; @@ -405,22 +405,19 @@ int parse_domain_type(xmlNodePtr node, char **value) while (child != NULL) { if (XSTREQ(child->name, "domain")) { type = get_attr_value(child, "type"); - if (type != NULL) { - *value = strdup(type); - goto out; + if (XSTREQ(type, "kvm")) { + return 1; When leaving the method here type is leaking memory. Thank you for your advice. I have repaired it in the new patch:-)

Xu Wang

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} }

- if (parse_domain_type(child, value) == 1) { - goto out; + if (has_kvm_domain_type(child) == 1) { + return 1; }

child = child->next; }

return 0; -out: - return 1; }

static int parse_net_device(xmlNode *inode, struct virt_device **vdevs) diff --git a/libxkutil/device_parsing.h b/libxkutil/device_parsing.h index 733324f..6abcf14 100644 --- a/libxkutil/device_parsing.h +++ b/libxkutil/device_parsing.h @@ -221,7 +221,7 @@ int attach_device(virDomainPtr dom, struct virt_device *dev); int detach_device(virDomainPtr dom, struct virt_device *dev); int change_device(virDomainPtr dom, struct virt_device *dev);

-int parse_domain_type(xmlNodePtr node, char **value); +int has_kvm_domain_type(xmlNodePtr node);

#define XSTREQ(x, y) (STREQ((char *)x, y)) #define STRPROP(d, p, n) (d->p = get_node_content(n)) diff --git a/src/Virt_VirtualSystemManagementService.c b/src/Virt_VirtualSystemManagementService.c index 8e1e6b1..199ab2d 100644 --- a/src/Virt_VirtualSystemManagementService.c +++ b/src/Virt_VirtualSystemManagementService.c @@ -394,7 +394,6 @@ static bool system_has_kvm(const char *pfx) virConnectPtr conn; char *caps = NULL; bool disable_kvm = get_disable_kvm(); - char *val = NULL; xmlDocPtr doc = NULL; xmlNodePtr node = NULL; int len; @@ -427,19 +426,15 @@ static bool system_has_kvm(const char *pfx) goto out; }

- if (parse_domain_type(node, &val) && - STREQC(val, "kvm")) { + if (has_kvm_domain_type(node)) { CU_DEBUG("The system support kvm!"); kvm = true; - } else { - CU_DEBUG("Domain type is %s.", val); } }

out: free(caps); free(doc); - free(val);

virConnectClose(conn);

-- 1.7.1

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