It is better to use SYSCTL_ZERO and SYSCTL_ONE_HUNDRED instead of &i_zero and &i_one_hundred, and then we can remove these two local variable. No functional change. Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx> --- kernel/sysctl-test.c | 43 ++++++++++++++++++++----------------------- 1 file changed, 20 insertions(+), 23 deletions(-) diff --git a/kernel/sysctl-test.c b/kernel/sysctl-test.c index 664ded05dd7a..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 @@ -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); @@ -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); @@ -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); @@ -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; @@ -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; @@ -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; @@ -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; @@ -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; -- 2.25.1
