[PATCH] kexec: fix sparse warnings
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 7843548..cdd4dcd 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -241,7 +241,7 @@
static int kimage_crash_alloc(struct kimage **rimage, unsigned long entry,
unsigned long nr_segments,
- struct kexec_segment *segments)
+ struct kexec_segment __user *segments)
{
int result;
struct kimage *image;
@@ -650,7 +650,7 @@
}
}
- return 0;
+ return NULL;
}
static struct page *kimage_alloc_page(struct kimage *image,
@@ -696,7 +696,7 @@
/* Allocate a page, if we run out of memory give up */
page = kimage_alloc_pages(gfp_mask, 0);
if (!page)
- return 0;
+ return NULL;
/* If the page cannot be used file it away */
if (page_to_pfn(page) >
(KEXEC_SOURCE_MEMORY_LIMIT >> PAGE_SHIFT)) {
@@ -754,7 +754,7 @@
unsigned long maddr;
unsigned long ubytes, mbytes;
int result;
- unsigned char *buf;
+ unsigned char __user *buf;
result = 0;
buf = segment->buf;
@@ -818,7 +818,7 @@
unsigned long maddr;
unsigned long ubytes, mbytes;
int result;
- unsigned char *buf;
+ unsigned char __user *buf;
result = 0;
buf = segment->buf;