mirror of https://gitee.com/openkylin/linux.git
[PATCH] drivers/char/ipmi/ipmi_msghandler.c: fix a memory leak
The Coverity checker found this memory leak. Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Corey Minyard <minyard@acm.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -736,7 +736,8 @@ int ipmi_create_user(unsigned int if_num,
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intf = ipmi_interfaces[if_num];
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if ((if_num >= MAX_IPMI_INTERFACES) || IPMI_INVALID_INTERFACE(intf)) {
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spin_unlock_irqrestore(&interfaces_lock, flags);
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return -EINVAL;
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rv = -EINVAL;
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goto out_kfree;
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}
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/* Note that each existing user holds a refcount to the interface. */
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@ -751,14 +752,14 @@ int ipmi_create_user(unsigned int if_num,
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if (!try_module_get(intf->handlers->owner)) {
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rv = -ENODEV;
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goto out_err;
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goto out_kref;
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}
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if (intf->handlers->inc_usecount) {
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rv = intf->handlers->inc_usecount(intf->send_info);
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if (rv) {
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module_put(intf->handlers->owner);
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goto out_err;
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goto out_kref;
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}
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}
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@ -769,9 +770,10 @@ int ipmi_create_user(unsigned int if_num,
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*user = new_user;
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return 0;
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out_err:
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kfree(new_user);
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out_kref:
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kref_put(&intf->refcount, intf_free);
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out_kfree:
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kfree(new_user);
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return rv;
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}
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