[PATCH] uml: add some EINTR protection

Add some more uses of the CATCH_EINTR wrapper.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/drivers/net_user.c

@@ -105,9 +105,7 @@ int net_recvfrom(int fd, void *buf, int len)
 {
 	int n;
 
-	while(((n = recvfrom(fd,  buf,  len, 0, NULL, NULL)) < 0) && 
-	      (errno == EINTR)) ;
-
+	CATCH_EINTR(n = recvfrom(fd,  buf,  len, 0, NULL, NULL));
 	if(n < 0){
 		if(errno == EAGAIN)
 			return 0;
@@ -135,7 +133,7 @@ int net_send(int fd, void *buf, int len)
 {
 	int n;
 
-	while(((n = send(fd, buf, len, 0)) < 0) && (errno == EINTR)) ;
+	CATCH_EINTR(n = send(fd, buf, len, 0));
 	if(n < 0){
 		if(errno == EAGAIN)
 			return 0;
@@ -150,8 +148,8 @@ int net_sendto(int fd, void *buf, int len, void *to, int sock_len)
 {
 	int n;
 
-	while(((n = sendto(fd, buf, len, 0, (struct sockaddr *) to,
-			   sock_len)) < 0) && (errno == EINTR)) ;
+	CATCH_EINTR(n = sendto(fd, buf, len, 0, (struct sockaddr *) to,
+			       sock_len));
 	if(n < 0){
 		if(errno == EAGAIN)
 			return 0;

arch/um/os-Linux/file.c

@@ -18,6 +18,7 @@
 #include "os.h"
 #include "user.h"
 #include "kern_util.h"
+#include "user_util.h"
 
 static void copy_stat(struct uml_stat *dst, struct stat64 *src)
 {
@@ -42,10 +43,7 @@ int os_stat_fd(const int fd, struct uml_stat *ubuf)
 	struct stat64 sbuf;
 	int err;
 
-	do {
-		err = fstat64(fd, &sbuf);
-	} while((err < 0) && (errno == EINTR)) ;
-
+	CATCH_EINTR(err = fstat64(fd, &sbuf));
 	if(err < 0)
 		return -errno;