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authorJiri Kosina <jkosina@suse.cz>2018-10-23 13:19:54 +0200
committerJiri Kosina <jkosina@suse.cz>2018-10-23 13:19:54 +0200
commita600ffe6ec609b0600ec590236f97f8d430e0984 (patch)
tree57432877c74c80ab470d7b655a2e18a6b5168ee5 /include/asm-generic
parentd19031d32cd77b2878a006040e0f8e4183ca59ef (diff)
parent23e542e5ba5e4298a1475f94750317ec1662ba21 (diff)
Merge branch 'for-4.20/google' into for-linus
Whisker device specific fixes to hid-google driver
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/io.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 66d1d45fa2e1..d356f802945a 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -1026,7 +1026,8 @@ static inline void __iomem *ioremap_wt(phys_addr_t offset, size_t size)
#define ioport_map ioport_map
static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
- return PCI_IOBASE + (port & MMIO_UPPER_LIMIT);
+ port &= IO_SPACE_LIMIT;
+ return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
}
#endif