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ima: Return error code obtained from securityfs functions

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If an error occurs when creating a securityfs file, return the exact
error code to the caller.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
This commit is contained in:
Stefan Berger 2022-02-01 15:37:11 -05:00 committed by Mimi Zohar
parent 18848c7191
commit e4e071baea
1 changed files with 23 additions and 8 deletions
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31
security/integrity/ima/ima_fs.c
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@ -452,47 +452,61 @@ static const struct file_operations ima_measure_policy_ops = {
int __init ima_fs_init(void)
{
int ret;
ima_dir = securityfs_create_dir("ima", integrity_dir);
if (IS_ERR(ima_dir))
return -1;
return PTR_ERR(ima_dir);
ima_symlink = securityfs_create_symlink("ima", NULL, "integrity/ima",
NULL);
if (IS_ERR(ima_symlink))
if (IS_ERR(ima_symlink)) {
ret = PTR_ERR(ima_symlink);
goto out;
}
binary_runtime_measurements =
securityfs_create_file("binary_runtime_measurements",
S_IRUSR | S_IRGRP, ima_dir, NULL,
&ima_measurements_ops);
if (IS_ERR(binary_runtime_measurements))
if (IS_ERR(binary_runtime_measurements)) {
ret = PTR_ERR(binary_runtime_measurements);
goto out;
}
ascii_runtime_measurements =
securityfs_create_file("ascii_runtime_measurements",
S_IRUSR | S_IRGRP, ima_dir, NULL,
&ima_ascii_measurements_ops);
if (IS_ERR(ascii_runtime_measurements))
if (IS_ERR(ascii_runtime_measurements)) {
ret = PTR_ERR(ascii_runtime_measurements);
goto out;
}
runtime_measurements_count =
securityfs_create_file("runtime_measurements_count",
S_IRUSR | S_IRGRP, ima_dir, NULL,
&ima_measurements_count_ops);
if (IS_ERR(runtime_measurements_count))
if (IS_ERR(runtime_measurements_count)) {
ret = PTR_ERR(runtime_measurements_count);
goto out;
}
violations =
securityfs_create_file("violations", S_IRUSR | S_IRGRP,
ima_dir, NULL, &ima_htable_violations_ops);
if (IS_ERR(violations))
if (IS_ERR(violations)) {
ret = PTR_ERR(violations);
goto out;
}
ima_policy = securityfs_create_file("policy", POLICY_FILE_FLAGS,
ima_dir, NULL,
&ima_measure_policy_ops);
if (IS_ERR(ima_policy))
if (IS_ERR(ima_policy)) {
ret = PTR_ERR(ima_policy);
goto out;
}
return 0;
out:
@ -503,5 +517,6 @@ out:
securityfs_remove(binary_runtime_measurements);
securityfs_remove(ima_symlink);
securityfs_remove(ima_dir);
return -1;
return ret;
}