Fix a few sizeof style issues

Reported by kernel's checkpatch.pl script.

Author: ldv-alt

count.c

@@ -77,7 +77,7 @@ count_syscall(struct tcb *tcp, const struct timeval *syscall_exiting_tv)
 			/* Initialize it.  */
 			struct itimerval it;
 
-			memset(&it, 0, sizeof it);
+			memset(&it, 0, sizeof(it));
 			it.it_interval.tv_usec = 1;
 			setitimer(ITIMER_REAL, &it, NULL);
 			getitimer(ITIMER_REAL, &it);

pathtrace.c

@@ -59,7 +59,7 @@ upathmatch(struct tcb *const tcp, const kernel_ulong_t upath)
 {
 	char path[PATH_MAX + 1];
 
-	return umovestr(tcp, upath, sizeof path, path) > 0 &&
+	return umovestr(tcp, upath, sizeof(path), path) > 0 &&
 		pathmatch(path);
 }
 

strace.c

@@ -1372,7 +1372,7 @@ startup_child(char **argv)
 					continue;
 				len = strlen(pathname);
 			}
-			else if (n > sizeof pathname - 1)
+			else if (n > sizeof(pathname) - 1)
 				continue;
 			else {
 				strncpy(pathname, path, n);

tests/net-accept-connect.c

@@ -69,7 +69,7 @@ main(int ac, const char **av)
 	if (listen(0, 5))
 		perror_msg_and_skip("listen");
 
-	memset(&addr, 0, sizeof addr);
+	memset(&addr, 0, sizeof(addr));
 	assert(getsockname(0, (struct sockaddr *) &addr, &len) == 0);
 	if (len > sizeof(addr))
 		len = sizeof(addr);

tests/uio.c

@@ -39,16 +39,16 @@ main(void)
 {
 	const off_t offset = 0xdefaceddeadbeefLL;
 	char buf[4];
-	struct iovec iov = { buf, sizeof buf };
+	struct iovec iov = { buf, sizeof(buf) };
 
 	(void) close(0);
 	assert(open("/dev/zero", O_RDONLY) == 0);
-	assert(pread(0, buf, sizeof buf, offset) == 4);
+	assert(pread(0, buf, sizeof(buf), offset) == 4);
 	assert(preadv(0, &iov, 1, offset) == 4);
 	assert(!close(0));
 
 	assert(open("/dev/null", O_WRONLY) == 0);
-	assert(pwrite(0, buf, sizeof buf, offset) == 4);
+	assert(pwrite(0, buf, sizeof(buf), offset) == 4);
 	assert(pwritev(0, &iov, 1, offset) == 4);
 	assert(!close(0));
 

util.c

@@ -711,8 +711,8 @@ printpathn(struct tcb *const tcp, const kernel_ulong_t addr, unsigned int n)
 	}
 
 	/* Cap path length to the path buffer size */
-	if (n > sizeof path - 1)
-		n = sizeof path - 1;
+	if (n > sizeof(path) - 1)
+		n = sizeof(path) - 1;
 
 	/* Fetch one byte more to find out whether path length > n. */
 	nul_seen = umovestr(tcp, addr, n + 1, path);