Messages in this thread Patch in this message | | | From | Yejune Deng <> | Subject | [PATCH] sh: kdump: add some attribute to function | Date | Thu, 10 Dec 2020 14:49:58 +0800 |
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add '__iomem' for ioremap() and '__user' for copy_to_user().
Signed-off-by: Yejune Deng <yejune.deng@gmail.com> --- arch/sh/kernel/crash_dump.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c index a908612..5b41b59 100644 --- a/arch/sh/kernel/crash_dump.c +++ b/arch/sh/kernel/crash_dump.c @@ -26,7 +26,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, size_t csize, unsigned long offset, int userbuf) { - void *vaddr; + void __iomem *vaddr; if (!csize) return 0; @@ -34,7 +34,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); if (userbuf) { - if (copy_to_user(buf, (vaddr + offset), csize)) { + if (copy_to_user((void __user *)buf, (vaddr + offset), csize)) { iounmap(vaddr); return -EFAULT; } -- 1.9.1
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