Fix simple mistakes identified by goreportcard.

These are primarily simplification and lint mistakes. However, minor
fixes are also included and tests added where appropriate.

PiperOrigin-RevId: 351425971

6 files changed, 19 insertions, 5 deletions

diff --git a/pkg/abi/linux/fadvise.go b/pkg/abi/linux/fadvise.go
index b06ff9964..97e2e4532 100644
--- a/pkg/abi/linux/fadvise.go
+++ b/pkg/abi/linux/fadvise.go
@@ -14,6 +14,7 @@
 
 package linux
 
+// Fadvise constants.
 const (
 	POSIX_FADV_NORMAL     = 0
 	POSIX_FADV_RANDOM     = 1
diff --git a/pkg/abi/linux/ipc.go b/pkg/abi/linux/ipc.go
index c6e65df62..f84144355 100644
--- a/pkg/abi/linux/ipc.go
+++ b/pkg/abi/linux/ipc.go
@@ -14,8 +14,9 @@
 
 package linux
 
-// Control commands used with semctl, shmctl, and msgctl. Source:
-// include/uapi/linux/ipc.h.
+// Control commands used with semctl, shmctl, and msgctl.
+//
+// Source: include/uapi/linux/ipc.h.
 const (
 	IPC_RMID = 0
 	IPC_SET  = 1
@@ -23,14 +24,19 @@ const (
 	IPC_INFO = 3
 )
 
-// resource get request flags. Source: include/uapi/linux/ipc.h
+// Resource get request flags.
+//
+// Source: include/uapi/linux/ipc.h
 const (
 	IPC_CREAT  = 00001000
 	IPC_EXCL   = 00002000
 	IPC_NOWAIT = 00004000
 )
 
-const IPC_PRIVATE = 0
+// IPC flags.
+const (
+	IPC_PRIVATE = 0
+)
 
 // In Linux, amd64 does not enable CONFIG_ARCH_WANT_IPC_PARSE_VERSION, so SysV
 // IPC unconditionally uses the "new" 64-bit structures that are needed for
diff --git a/pkg/abi/linux/netfilter_ipv6.go b/pkg/abi/linux/netfilter_ipv6.go
index 6d31eb5e3..bcb57642e 100644
--- a/pkg/abi/linux/netfilter_ipv6.go
+++ b/pkg/abi/linux/netfilter_ipv6.go
@@ -288,6 +288,7 @@ type IP6TIP struct {
 	_ [3]byte
 }
 
+// SizeOfIP6TIP is the size of an IP6 header.
 const SizeOfIP6TIP = 136
 
 // Flags in IP6TIP.Flags. Corresponding constants are in
diff --git a/pkg/abi/linux/sched.go b/pkg/abi/linux/sched.go
index 70e820823..2a67921e6 100644
--- a/pkg/abi/linux/sched.go
+++ b/pkg/abi/linux/sched.go
@@ -29,6 +29,7 @@ const (
 	SCHED_RESET_ON_FORK = 0x40000000
 )
 
+// Scheduling priority group selectors.
 const (
 	PRIO_PGRP    = 0x1
 	PRIO_PROCESS = 0x0
diff --git a/pkg/abi/linux/seccomp.go b/pkg/abi/linux/seccomp.go
index 5be3f10f9..e64501fac 100644
--- a/pkg/abi/linux/seccomp.go
+++ b/pkg/abi/linux/seccomp.go
@@ -30,8 +30,10 @@ const (
 	SECCOMP_GET_ACTION_AVAIL  = 2
 )
 
+// BPFAction is an action for a BPF filter.
 type BPFAction uint32
 
+// BPFAction definitions.
 const (
 	SECCOMP_RET_KILL_PROCESS BPFAction = 0x80000000
 	SECCOMP_RET_KILL_THREAD  BPFAction = 0x00000000
diff --git a/pkg/abi/linux/sem.go b/pkg/abi/linux/sem.go
index 2424884c1..bc7b4f0ee 100644
--- a/pkg/abi/linux/sem.go
+++ b/pkg/abi/linux/sem.go
@@ -49,7 +49,10 @@ const (
 	SEMUSZ = 20
 )
 
-const SEM_UNDO = 0x1000
+// Semaphore flags.
+const (
+	SEM_UNDO = 0x1000
+)
 
 // Sembuf is equivalent to struct sembuf.
 //