all: unindent some big chunks of code

Found with mvdan.cc/unindent. Prioritized the ones with the biggest wins
for now.

Change-Id: I2b032e45cdd559fc9ed5b1ee4c4de42c4c92e07b
Reviewed-on: https://go-review.googlesource.com/56470
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

1 files changed, 36 insertions, 35 deletions

diff --git a/src/runtime/os_linux.go b/src/runtime/os_linux.go
index dac4de4985..83e35f4e27 100644
--- a/src/runtime/os_linux.go
+++ b/src/runtime/os_linux.go
@@ -208,45 +208,46 @@ func sysargs(argc int32, argv **byte) {
 
 	// now argv+n is auxv
 	auxv := (*[1 << 28]uintptr)(add(unsafe.Pointer(argv), uintptr(n)*sys.PtrSize))
-	if sysauxv(auxv[:]) == 0 {
-		// In some situations we don't get a loader-provided
-		// auxv, such as when loaded as a library on Android.
-		// Fall back to /proc/self/auxv.
-		fd := open(&procAuxv[0], 0 /* O_RDONLY */, 0)
-		if fd < 0 {
-			// On Android, /proc/self/auxv might be unreadable (issue 9229), so we fallback to
-			// try using mincore to detect the physical page size.
-			// mincore should return EINVAL when address is not a multiple of system page size.
-			const size = 256 << 10 // size of memory region to allocate
-			p := mmap(nil, size, _PROT_READ|_PROT_WRITE, _MAP_ANON|_MAP_PRIVATE, -1, 0)
-			if uintptr(p) < 4096 {
-				return
-			}
-			var n uintptr
-			for n = 4 << 10; n < size; n <<= 1 {
-				err := mincore(unsafe.Pointer(uintptr(p)+n), 1, &addrspace_vec[0])
-				if err == 0 {
-					physPageSize = n
-					break
-				}
-			}
-			if physPageSize == 0 {
-				physPageSize = size
-			}
-			munmap(p, size)
+	if sysauxv(auxv[:]) != 0 {
+		return
+	}
+	// In some situations we don't get a loader-provided
+	// auxv, such as when loaded as a library on Android.
+	// Fall back to /proc/self/auxv.
+	fd := open(&procAuxv[0], 0 /* O_RDONLY */, 0)
+	if fd < 0 {
+		// On Android, /proc/self/auxv might be unreadable (issue 9229), so we fallback to
+		// try using mincore to detect the physical page size.
+		// mincore should return EINVAL when address is not a multiple of system page size.
+		const size = 256 << 10 // size of memory region to allocate
+		p := mmap(nil, size, _PROT_READ|_PROT_WRITE, _MAP_ANON|_MAP_PRIVATE, -1, 0)
+		if uintptr(p) < 4096 {
 			return
 		}
-		var buf [128]uintptr
-		n := read(fd, noescape(unsafe.Pointer(&buf[0])), int32(unsafe.Sizeof(buf)))
-		closefd(fd)
-		if n < 0 {
-			return
+		var n uintptr
+		for n = 4 << 10; n < size; n <<= 1 {
+			err := mincore(unsafe.Pointer(uintptr(p)+n), 1, &addrspace_vec[0])
+			if err == 0 {
+				physPageSize = n
+				break
+			}
+		}
+		if physPageSize == 0 {
+			physPageSize = size
 		}
-		// Make sure buf is terminated, even if we didn't read
-		// the whole file.
-		buf[len(buf)-2] = _AT_NULL
-		sysauxv(buf[:])
+		munmap(p, size)
+		return
+	}
+	var buf [128]uintptr
+	n = read(fd, noescape(unsafe.Pointer(&buf[0])), int32(unsafe.Sizeof(buf)))
+	closefd(fd)
+	if n < 0 {
+		return
 	}
+	// Make sure buf is terminated, even if we didn't read
+	// the whole file.
+	buf[len(buf)-2] = _AT_NULL
+	sysauxv(buf[:])
 }
 
 func sysauxv(auxv []uintptr) int {