From: Al Viro <viro@ftp.linux.org.uk>
Date: Sat, 23 Sep 2006 00:20:31 +0000 (+0100)
Subject: [PATCH] memcpy_fromio() missing in istallion
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=634965f5cfda1763f51e7916cfa49265b70e2a8d;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PATCH] memcpy_fromio() missing in istallion

memcpy() from iomem is a bad thing...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 84dfc4278139..8c09997cc3d6 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -3488,7 +3488,7 @@ static int stli_initecp(stlibrd_t *brdp)
  */
 	EBRDENABLE(brdp);
 	sigsp = (cdkecpsig_t __iomem *) EBRDGETMEMPTR(brdp, CDK_SIGADDR);
-	memcpy(&sig, sigsp, sizeof(cdkecpsig_t));
+	memcpy_fromio(&sig, sigsp, sizeof(cdkecpsig_t));
 	EBRDDISABLE(brdp);
 
 	if (sig.magic != cpu_to_le32(ECP_MAGIC))