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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-27 11:49:37 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-07-27 11:49:37 +0200
commit65a9bde6ed484880987a6d88de6e372eca52059f (patch)
treea192e1a8a54d334f457413f9c16041ffdf11533d /include/linux/io-mapping.h
parent860e73b49cd933c708e3e1e1e07cdea81b6acd1c (diff)
parent92ed301919932f777713b9172e525674157e983d (diff)
Merge 5.8-rc7 into char-misc-next
This should resolve the merge/build issues reported when trying to create linux-next. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/io-mapping.h')
-rw-r--r--include/linux/io-mapping.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index 0beaa3eba155..c75e4d3d8833 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -107,9 +107,12 @@ io_mapping_init_wc(struct io_mapping *iomap,
resource_size_t base,
unsigned long size)
{
+ iomap->iomem = ioremap_wc(base, size);
+ if (!iomap->iomem)
+ return NULL;
+
iomap->base = base;
iomap->size = size;
- iomap->iomem = ioremap_wc(base, size);
#if defined(pgprot_noncached_wc) /* archs can't agree on a name ... */
iomap->prot = pgprot_noncached_wc(PAGE_KERNEL);
#elif defined(pgprot_writecombine)