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EVM: unlock on error path in evm_read_xattrs()

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We need to unlock before returning on this error path.

Fixes: fa516b66a1 ("EVM: Allow runtime modification of the set of verified xattrs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
This commit is contained in:
Dan Carpenter 2018-06-01 11:00:05 +03:00 committed by Mimi Zohar
parent a41d80acfa
commit b5c90a7526
1 changed files with 3 additions and 1 deletions
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4
security/integrity/evm/evm_secfs.c
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@ -147,8 +147,10 @@ static ssize_t evm_read_xattrs(struct file *filp, char __user *buf,
size += strlen(xattr->name) + 1;
temp = kmalloc(size + 1, GFP_KERNEL);
if (!temp)
if (!temp) {
mutex_unlock(&xattr_list_mutex);
return -ENOMEM;
}
list_for_each_entry(xattr, &evm_config_xattrnames, list) {
sprintf(temp + offset, "%s\n", xattr->name);