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| author | Joel Stanley <joel@jms.id.au> | 2020-08-10 07:07:46 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2020-08-10 07:07:49 +0300 |
| commit | 4789fd48a313d36fe6b8fc1da5e0788f5ea074cb (patch) | |
| tree | 2c8c27b52f0e38abb7416ce81b04c3b85511b694 /include/linux/io-mapping.h | |
| parent | 8a9b346382056b52cd7ff141ae9f15a0fcfeb13d (diff) | |
| parent | d9939285fc818425ae92bd99f8c97b6b9ef3bb88 (diff) | |
| download | linux-dev-5.4.tar.xz | |
Merge tag 'v5.4.57' into dev-5.4dev-5.4
This is the 5.4.57 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'include/linux/io-mapping.h')
| -rw-r--r-- | include/linux/io-mapping.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h index 6e125e9b4187..b9c91d321240 100644 --- a/include/linux/io-mapping.h +++ b/include/linux/io-mapping.h @@ -108,9 +108,12 @@ 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) |