kexec: fix wrong types of some local variables

The types of the following local variables:

- ubytes/mbytes in kimage_load_crash_segment()/kimage_load_normal_segment()

- r in vmcoreinfo_append_str()

are wrong, so fix them.

Signed-off-by: Zhang Yanfei <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Simon Horman <[email protected]>
Cc: Joe Perches <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

kernel/kexec.c

@@ -786,7 +786,7 @@ static int kimage_load_normal_segment(struct kimage *image,
 					 struct kexec_segment *segment)
 {
 	unsigned long maddr;
-	unsigned long ubytes, mbytes;
+	size_t ubytes, mbytes;
 	int result;
 	unsigned char __user *buf;
 
@@ -850,7 +850,7 @@ static int kimage_load_crash_segment(struct kimage *image,
 	 * We do things a page at a time for the sake of kmap.
 	 */
 	unsigned long maddr;
-	unsigned long ubytes, mbytes;
+	size_t ubytes, mbytes;
 	int result;
 	unsigned char __user *buf;
 
@@ -1540,7 +1540,7 @@ void vmcoreinfo_append_str(const char *fmt, ...)
 {
 	va_list args;
 	char buf[0x50];
-	int r;
+	size_t r;
 
 	va_start(args, fmt);
 	r = vsnprintf(buf, sizeof(buf), fmt, args);