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Diffstat (limited to 'kernel/bpf/syscall.c')
-rw-r--r--kernel/bpf/syscall.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index bfcde949c7f8..2b29ef84ded3 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -65,9 +65,9 @@ static const struct bpf_map_ops * const bpf_map_types[] = {
* copy_from_user() call. However, this is not a concern since this function is
* meant to be a future-proofing of bits.
*/
-static int check_uarg_tail_zero(void __user *uaddr,
- size_t expected_size,
- size_t actual_size)
+int bpf_check_uarg_tail_zero(void __user *uaddr,
+ size_t expected_size,
+ size_t actual_size)
{
unsigned char __user *addr;
unsigned char __user *end;
@@ -1899,7 +1899,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
u32 ulen;
int err;
- err = check_uarg_tail_zero(uinfo, sizeof(info), info_len);
+ err = bpf_check_uarg_tail_zero(uinfo, sizeof(info), info_len);
if (err)
return err;
info_len = min_t(u32, sizeof(info), info_len);
@@ -1998,7 +1998,7 @@ static int bpf_map_get_info_by_fd(struct bpf_map *map,
u32 info_len = attr->info.info_len;
int err;
- err = check_uarg_tail_zero(uinfo, sizeof(info), info_len);
+ err = bpf_check_uarg_tail_zero(uinfo, sizeof(info), info_len);
if (err)
return err;
info_len = min_t(u32, sizeof(info), info_len);
@@ -2038,7 +2038,7 @@ static int bpf_btf_get_info_by_fd(struct btf *btf,
u32 info_len = attr->info.info_len;
int err;
- err = check_uarg_tail_zero(uinfo, sizeof(*uinfo), info_len);
+ err = bpf_check_uarg_tail_zero(uinfo, sizeof(*uinfo), info_len);
if (err)
return err;
@@ -2110,7 +2110,7 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN))
return -EPERM;
- err = check_uarg_tail_zero(uattr, sizeof(attr), size);
+ err = bpf_check_uarg_tail_zero(uattr, sizeof(attr), size);
if (err)
return err;
size = min_t(u32, size, sizeof(attr));