diff options
| author | Peng Wu <wupeng58@huawei.com> | 2022-11-15 09:11:38 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-23 20:03:14 +0100 |
| commit | fa1ba41c17cd786925720bc1a9554d6c6624923d (patch) | |
| tree | 3847d59c205d9615338d38ee87ea165e20feb9be /drivers/firmware/google | |
| parent | ab760791c0cfbb1d7a668f46a135264f56c8f018 (diff) | |
firmware: google: fix a NULL vs IS_ERR() check in cbmem_entry_probe()
The devm_memremap() function returns error pointers on error,
it doesn't return NULL.
Fixes: 19d54020883c ("firmware: google: Implement cbmem in sysfs driver")
Signed-off-by: Peng Wu <wupeng58@huawei.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Link: https://lore.kernel.org/r/20221115091138.51614-1-wupeng58@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware/google')
| -rw-r--r-- | drivers/firmware/google/cbmem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/firmware/google/cbmem.c b/drivers/firmware/google/cbmem.c index 685f3070ce9d..88e587ba1e0d 100644 --- a/drivers/firmware/google/cbmem.c +++ b/drivers/firmware/google/cbmem.c @@ -106,8 +106,8 @@ static int cbmem_entry_probe(struct coreboot_device *dev) entry->mem_file_buf = devm_memremap(&dev->dev, dev->cbmem_entry.address, dev->cbmem_entry.entry_size, MEMREMAP_WB); - if (!entry->mem_file_buf) - return -ENOMEM; + if (IS_ERR(entry->mem_file_buf)) + return PTR_ERR(entry->mem_file_buf); entry->size = dev->cbmem_entry.entry_size; |