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hwmon: (coretemp) Avoid leaving around dangling pointer 

Storing the struct temp_data pointer allocated from create_core_data()
when returning an error has the potential of leaving around a pointer
to freed memory. Reset it to NULL for error returns.

Reported-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Guenter Roeck 2011-09-24 15:27:04 -07:00
parent 0eb9782ad9
commit 20ecb499f6
1 changed files with 1 additions and 0 deletions
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1
drivers/hwmon/coretemp.c
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@ -506,6 +506,7 @@ static int create_core_data(struct platform_device *pdev,
return 0;
exit_free:
pdata->core_data[attr_no] = NULL;
kfree(tdata);
return err;
}