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authorYinghai Lu <yinghai@kernel.org>2010-08-10 18:03:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 08:59:20 -0700
commit7faefea66a6d1f0d9da0a18615f57dc969e00d99 (patch)
treea3035d4e86df7460840e7d4991178375b465b918 /drivers/char/ipmi
parentf46c77c283e514a747aee7e8c4f5afc70274c232 (diff)
downloadlinux-7faefea66a6d1f0d9da0a18615f57dc969e00d99.tar.bz2
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>
Diffstat (limited to 'drivers/char/ipmi')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index ecfe43beb9c2..6c2daed531df 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1804,9 +1804,12 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
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 @@ static __devinit void hardcode_find_bmc(void)
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 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
}
info->io.addr_data = spmi->addr.address;
- add_smi(info);
+ if (add_smi(info))
+ kfree(info);
return 0;
}
@@ -2198,7 +2205,10 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
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 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
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 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
&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 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
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 @@ static __devinit void default_find_bmc(void)
info->io.addr_data);
} else
cleanup_one_si(info);
+ } else {
+ kfree(info);
}
}
}