ipmi: fix memleaking for add_smi when duplicating happen
Free the temporary info struct when we have duplicated ones.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Corey Minyard <minyard@acm.org>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Myron Stowe <myron.stowe@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index ecfe43b..6c2daed 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1804,9 +1804,12 @@
info->irq_setup = std_irq_setup;
info->slave_addr = ipmb;
- if (!add_smi(info))
+ if (!add_smi(info)) {
if (try_smi_init(info))
cleanup_one_si(info);
+ } else {
+ kfree(info);
+ }
} else {
/* remove */
struct smi_info *e, *tmp_e;
@@ -1890,9 +1893,12 @@
info->irq_setup = std_irq_setup;
info->slave_addr = slave_addrs[i];
- if (!add_smi(info))
+ if (!add_smi(info)) {
if (try_smi_init(info))
cleanup_one_si(info);
+ } else {
+ kfree(info);
+ }
}
}
@@ -2082,7 +2088,8 @@
}
info->io.addr_data = spmi->addr.address;
- add_smi(info);
+ if (add_smi(info))
+ kfree(info);
return 0;
}
@@ -2198,7 +2205,10 @@
res, info->io.regsize, info->io.regspacing,
info->irq);
- return add_smi(info);
+ if (add_smi(info))
+ goto err_free;
+
+ return 0;
err_free:
kfree(info);
@@ -2356,7 +2366,8 @@
if (info->irq)
info->irq_setup = std_irq_setup;
- add_smi(info);
+ if (add_smi(info))
+ kfree(info);
}
static void __devinit dmi_find_bmc(void)
@@ -2462,7 +2473,10 @@
&pdev->resource[0], info->io.regsize, info->io.regspacing,
info->irq);
- return add_smi(info);
+ if (add_smi(info))
+ kfree(info);
+
+ return 0;
}
static void __devexit ipmi_pci_remove(struct pci_dev *pdev)
@@ -2575,7 +2589,12 @@
dev_set_drvdata(&dev->dev, info);
- return add_smi(info);
+ if (add_smi(info)) {
+ kfree(info);
+ return -EBUSY;
+ }
+
+ return 0;
}
static int __devexit ipmi_of_remove(struct of_device *dev)
@@ -3008,6 +3027,8 @@
info->io.addr_data);
} else
cleanup_one_si(info);
+ } else {
+ kfree(info);
}
}
}