[syserror] Update syserror to linuxerr for EACCES, EBADF, and EPERM.

Update all instances of the above errors to the faster linuxerr implementation.
With the temporary linuxerr.Equals(), no logical changes are made.

PiperOrigin-RevId: 382306655

1 files changed, 11 insertions, 12 deletions

diff --git a/pkg/sentry/syscalls/epoll.go b/pkg/sentry/syscalls/epoll.go
index 02debfc7e..a69ed0746 100644
--- a/pkg/sentry/syscalls/epoll.go
+++ b/pkg/sentry/syscalls/epoll.go
@@ -22,7 +22,6 @@ import (
 	"gvisor.dev/gvisor/pkg/sentry/kernel"
 	"gvisor.dev/gvisor/pkg/sentry/kernel/epoll"
 	ktime "gvisor.dev/gvisor/pkg/sentry/kernel/time"
-	"gvisor.dev/gvisor/pkg/syserror"
 	"gvisor.dev/gvisor/pkg/waiter"
 )
 
@@ -46,21 +45,21 @@ func AddEpoll(t *kernel.Task, epfd int32, fd int32, flags epoll.EntryFlags, mask
 	// Get epoll from the file descriptor.
 	epollfile := t.GetFile(epfd)
 	if epollfile == nil {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 	defer epollfile.DecRef(t)
 
 	// Get the target file id.
 	file := t.GetFile(fd)
 	if file == nil {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 	defer file.DecRef(t)
 
 	// Extract the epollPoll operations.
 	e, ok := epollfile.FileOperations.(*epoll.EventPoll)
 	if !ok {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 
 	// Try to add the entry.
@@ -72,21 +71,21 @@ func UpdateEpoll(t *kernel.Task, epfd int32, fd int32, flags epoll.EntryFlags, m
 	// Get epoll from the file descriptor.
 	epollfile := t.GetFile(epfd)
 	if epollfile == nil {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 	defer epollfile.DecRef(t)
 
 	// Get the target file id.
 	file := t.GetFile(fd)
 	if file == nil {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 	defer file.DecRef(t)
 
 	// Extract the epollPoll operations.
 	e, ok := epollfile.FileOperations.(*epoll.EventPoll)
 	if !ok {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 
 	// Try to update the entry.
@@ -98,21 +97,21 @@ func RemoveEpoll(t *kernel.Task, epfd int32, fd int32) error {
 	// Get epoll from the file descriptor.
 	epollfile := t.GetFile(epfd)
 	if epollfile == nil {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 	defer epollfile.DecRef(t)
 
 	// Get the target file id.
 	file := t.GetFile(fd)
 	if file == nil {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 	defer file.DecRef(t)
 
 	// Extract the epollPoll operations.
 	e, ok := epollfile.FileOperations.(*epoll.EventPoll)
 	if !ok {
-		return syserror.EBADF
+		return linuxerr.EBADF
 	}
 
 	// Try to remove the entry.
@@ -124,14 +123,14 @@ func WaitEpoll(t *kernel.Task, fd int32, max int, timeoutInNanos int64) ([]linux
 	// Get epoll from the file descriptor.
 	epollfile := t.GetFile(fd)
 	if epollfile == nil {
-		return nil, syserror.EBADF
+		return nil, linuxerr.EBADF
 	}
 	defer epollfile.DecRef(t)
 
 	// Extract the epollPoll operations.
 	e, ok := epollfile.FileOperations.(*epoll.EventPoll)
 	if !ok {
-		return nil, syserror.EBADF
+		return nil, linuxerr.EBADF
 	}
 
 	// Try to read events and return right away if we got them or if the