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-rw-r--r--kernel/sysctl-test.c67
1 files changed, 32 insertions, 35 deletions
diff --git a/kernel/sysctl-test.c b/kernel/sysctl-test.c
index ccb78509f1a8..6ef887c19c48 100644
--- a/kernel/sysctl-test.c
+++ b/kernel/sysctl-test.c
@@ -9,9 +9,6 @@
#define KUNIT_PROC_READ 0
#define KUNIT_PROC_WRITE 1
-static int i_zero;
-static int i_one_hundred = 100;
-
/*
* Test that proc_dointvec will not try to use a NULL .data field even when the
* length is non-zero.
@@ -29,8 +26,8 @@ static void sysctl_test_api_dointvec_null_tbl_data(struct kunit *test)
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
/*
* proc_dointvec expects a buffer in user space, so we allocate one. We
@@ -49,7 +46,7 @@ static void sysctl_test_api_dointvec_null_tbl_data(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&null_data_table,
KUNIT_PROC_READ, buffer, &len,
&pos));
- KUNIT_EXPECT_EQ(test, (size_t)0, len);
+ KUNIT_EXPECT_EQ(test, 0, len);
/*
* See above.
@@ -58,7 +55,7 @@ static void sysctl_test_api_dointvec_null_tbl_data(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&null_data_table,
KUNIT_PROC_WRITE, buffer, &len,
&pos));
- KUNIT_EXPECT_EQ(test, (size_t)0, len);
+ KUNIT_EXPECT_EQ(test, 0, len);
}
/*
@@ -79,8 +76,8 @@ static void sysctl_test_api_dointvec_table_maxlen_unset(struct kunit *test)
.maxlen = 0,
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int),
GFP_USER);
@@ -95,7 +92,7 @@ static void sysctl_test_api_dointvec_table_maxlen_unset(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&data_maxlen_unset_table,
KUNIT_PROC_READ, buffer, &len,
&pos));
- KUNIT_EXPECT_EQ(test, (size_t)0, len);
+ KUNIT_EXPECT_EQ(test, 0, len);
/*
* See previous comment.
@@ -104,7 +101,7 @@ static void sysctl_test_api_dointvec_table_maxlen_unset(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&data_maxlen_unset_table,
KUNIT_PROC_WRITE, buffer, &len,
&pos));
- KUNIT_EXPECT_EQ(test, (size_t)0, len);
+ KUNIT_EXPECT_EQ(test, 0, len);
}
/*
@@ -122,8 +119,8 @@ static void sysctl_test_api_dointvec_table_len_is_zero(struct kunit *test)
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int),
GFP_USER);
@@ -135,11 +132,11 @@ static void sysctl_test_api_dointvec_table_len_is_zero(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ, buffer,
&len, &pos));
- KUNIT_EXPECT_EQ(test, (size_t)0, len);
+ KUNIT_EXPECT_EQ(test, 0, len);
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE, buffer,
&len, &pos));
- KUNIT_EXPECT_EQ(test, (size_t)0, len);
+ KUNIT_EXPECT_EQ(test, 0, len);
}
/*
@@ -156,8 +153,8 @@ static void sysctl_test_api_dointvec_table_read_but_position_set(
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
void __user *buffer = (void __user *)kunit_kzalloc(test, sizeof(int),
GFP_USER);
@@ -174,7 +171,7 @@ static void sysctl_test_api_dointvec_table_read_but_position_set(
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ, buffer,
&len, &pos));
- KUNIT_EXPECT_EQ(test, (size_t)0, len);
+ KUNIT_EXPECT_EQ(test, 0, len);
}
/*
@@ -191,8 +188,8 @@ static void sysctl_test_dointvec_read_happy_single_positive(struct kunit *test)
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
size_t len = 4;
loff_t pos = 0;
@@ -203,7 +200,7 @@ static void sysctl_test_dointvec_read_happy_single_positive(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ,
user_buffer, &len, &pos));
- KUNIT_ASSERT_EQ(test, (size_t)3, len);
+ KUNIT_ASSERT_EQ(test, 3, len);
buffer[len] = '\0';
/* And we read 13 back out. */
KUNIT_EXPECT_STREQ(test, "13\n", buffer);
@@ -222,8 +219,8 @@ static void sysctl_test_dointvec_read_happy_single_negative(struct kunit *test)
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
size_t len = 5;
loff_t pos = 0;
@@ -233,9 +230,9 @@ static void sysctl_test_dointvec_read_happy_single_negative(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_READ,
user_buffer, &len, &pos));
- KUNIT_ASSERT_EQ(test, (size_t)4, len);
+ KUNIT_ASSERT_EQ(test, 4, len);
buffer[len] = '\0';
- KUNIT_EXPECT_STREQ(test, "-16\n", (char *)buffer);
+ KUNIT_EXPECT_STREQ(test, "-16\n", buffer);
}
/*
@@ -251,8 +248,8 @@ static void sysctl_test_dointvec_write_happy_single_positive(struct kunit *test)
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
char input[] = "9";
size_t len = sizeof(input) - 1;
@@ -265,7 +262,7 @@ static void sysctl_test_dointvec_write_happy_single_positive(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE,
user_buffer, &len, &pos));
KUNIT_EXPECT_EQ(test, sizeof(input) - 1, len);
- KUNIT_EXPECT_EQ(test, sizeof(input) - 1, (size_t)pos);
+ KUNIT_EXPECT_EQ(test, sizeof(input) - 1, pos);
KUNIT_EXPECT_EQ(test, 9, *((int *)table.data));
}
@@ -281,8 +278,8 @@ static void sysctl_test_dointvec_write_happy_single_negative(struct kunit *test)
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
char input[] = "-9";
size_t len = sizeof(input) - 1;
@@ -295,7 +292,7 @@ static void sysctl_test_dointvec_write_happy_single_negative(struct kunit *test)
KUNIT_EXPECT_EQ(test, 0, proc_dointvec(&table, KUNIT_PROC_WRITE,
user_buffer, &len, &pos));
KUNIT_EXPECT_EQ(test, sizeof(input) - 1, len);
- KUNIT_EXPECT_EQ(test, sizeof(input) - 1, (size_t)pos);
+ KUNIT_EXPECT_EQ(test, sizeof(input) - 1, pos);
KUNIT_EXPECT_EQ(test, -9, *((int *)table.data));
}
@@ -313,8 +310,8 @@ static void sysctl_test_api_dointvec_write_single_less_int_min(
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
size_t max_len = 32, len = max_len;
loff_t pos = 0;
@@ -351,8 +348,8 @@ static void sysctl_test_api_dointvec_write_single_greater_int_max(
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
- .extra1 = &i_zero,
- .extra2 = &i_one_hundred,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE_HUNDRED,
};
size_t max_len = 32, len = max_len;
loff_t pos = 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.