Fix the following coccicheck warnings:
./tools/testing/selftests/bpf/progs/profiler.inc.h:189:7-11: WARNING
comparing pointer to 0, suggest !E
./tools/testing/selftests/bpf/progs/profiler.inc.h:361:7-11: WARNING
comparing pointer to 0, suggest !E
./tools/testing/selftests/bpf/progs/profiler.inc.h:386:14-18: WARNING
comparing pointer to 0, suggest !E
./tools/testing/selftests/bpf/progs/profiler.inc.h:402:14-18: WARNING
comparing pointer to 0, suggest !E
./tools/testing/selftests/bpf/progs/profiler.inc.h:433:7-11: WARNING
comparing pointer to 0, suggest !E
./tools/testing/selftests/bpf/progs/profiler.inc.h:534:14-18: WARNING
comparing pointer to 0, suggest !E
./tools/testing/selftests/bpf/progs/profiler.inc.h:625:7-11: WARNING
comparing pointer to 0, suggest !E
./tools/testing/selftests/bpf/progs/profiler.inc.h:767:7-11: WARNING
comparing pointer to 0, suggest !E
Reported-by: Abaci Robot <ab...@linux.alibaba.com>
Signed-off-by: Yang Li <yang....@linux.alibaba.com>
---
tools/testing/selftests/bpf/progs/profiler.inc.h | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/tools/testing/selftests/bpf/progs/profiler.inc.h
b/tools/testing/selftests/bpf/progs/profiler.inc.h
index 4896fdf8..a33066c 100644
--- a/tools/testing/selftests/bpf/progs/profiler.inc.h
+++ b/tools/testing/selftests/bpf/progs/profiler.inc.h
@@ -189,7 +189,7 @@ static INLINE void populate_ancestors(struct task_struct*
task,
#endif
for (num_ancestors = 0; num_ancestors < MAX_ANCESTORS; num_ancestors++)
{
parent = BPF_CORE_READ(parent, real_parent);
- if (parent == NULL)
+ if (!parent)
break;
ppid = BPF_CORE_READ(parent, tgid);
if (is_init_process(ppid))
@@ -361,7 +361,7 @@ static INLINE void* populate_var_metadata(struct
var_metadata_t* metadata,
int zero = 0;
struct var_kill_data_t* kill_data = bpf_map_lookup_elem(&data_heap,
&zero);
- if (kill_data == NULL)
+ if (!kill_data)
return NULL;
struct task_struct* task = (struct task_struct*)bpf_get_current_task();
@@ -386,14 +386,14 @@ static INLINE int trace_var_sys_kill(void* ctx, int tpid,
int sig)
u32 spid = get_userspace_pid();
struct var_kill_data_arr_t* arr_struct =
bpf_map_lookup_elem(&var_tpid_to_data, &tpid);
- if (arr_struct == NULL) {
+ if (!arr_struct) {
struct var_kill_data_t* kill_data = get_var_kill_data(ctx,
spid, tpid, sig);
int zero = 0;
- if (kill_data == NULL)
+ if (!kill_data)
return 0;
arr_struct = bpf_map_lookup_elem(&data_heap, &zero);
- if (arr_struct == NULL)
+ if (!arr_struct)
return 0;
bpf_probe_read(&arr_struct->array[0],
sizeof(arr_struct->array[0]), kill_data);
} else {
@@ -402,7 +402,7 @@ static INLINE int trace_var_sys_kill(void* ctx, int tpid,
int sig)
if (index == -1) {
struct var_kill_data_t* kill_data =
get_var_kill_data(ctx, spid, tpid, sig);
- if (kill_data == NULL)
+ if (!kill_data)
return 0;
#ifdef UNROLL
#pragma unroll
@@ -433,7 +433,7 @@ static INLINE int trace_var_sys_kill(void* ctx, int tpid,
int sig)
} else {
struct var_kill_data_t* kill_data =
get_var_kill_data(ctx, spid, tpid, sig);
- if (kill_data == NULL)
+ if (!kill_data)
return 0;
bpf_probe_read(&arr_struct->array[index],
sizeof(arr_struct->array[index]),
@@ -534,14 +534,14 @@ static INLINE bool is_dentry_allowed_for_filemod(struct
dentry* file_dentry,
*device_id = dev_id;
bool* allowed_device = bpf_map_lookup_elem(&allowed_devices, &dev_id);
- if (allowed_device == NULL)
+ if (!allowed_device)
return false;
u64 ino = BPF_CORE_READ(file_dentry, d_inode, i_ino);
*file_ino = ino;
bool* allowed_file = bpf_map_lookup_elem(&allowed_file_inodes, &ino);
- if (allowed_file == NULL)
+ if (!allowed_fil)
if (!is_ancestor_in_allowed_inodes(BPF_CORE_READ(file_dentry,
d_parent)))
return false;
return true;
@@ -625,7 +625,7 @@ int raw_tracepoint__sched_process_exit(void* ctx)
struct var_kill_data_arr_t* arr_struct =
bpf_map_lookup_elem(&var_tpid_to_data, &tpid);
struct var_kill_data_t* kill_data = bpf_map_lookup_elem(&data_heap,
&zero);
- if (arr_struct == NULL || kill_data == NULL)
+ if (!arr_struct || !kill_data)
goto out;
struct task_struct* task = (struct task_struct*)bpf_get_current_task();
@@ -767,7 +767,7 @@ int kprobe_ret__do_filp_open(struct pt_regs* ctx)
struct file* filp = (struct file*)PT_REGS_RC_CORE(ctx);
- if (filp == NULL || IS_ERR(filp))
+ if (!filp || IS_ERR(filp))
goto out;
unsigned int flags = BPF_CORE_READ(filp, f_flags);
if ((flags & (O_RDWR | O_WRONLY)) == 0)
--
1.8.3.1
