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virtio_config: fix up warnings on parisc

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Apparently, on parisc le16_to_cpu returns an int. virtio_cread_le
is very strict about type sizes so it causes a warning.
Fix it up by casting to the correct type.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20200805235550.1451637-1-mst@redhat.com
This commit is contained in:
Michael S. Tsirkin 2020-08-05 19:55:50 -04:00
parent 1a86b377aa
commit c84f91e262
1 changed files with 4 additions and 5 deletions
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9
include/linux/virtio_config.h
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@ -357,10 +357,10 @@ static inline __virtio64 cpu_to_virtio64(struct virtio_device *vdev, u64 val)
*/
#define virtio_le_to_cpu(x) \
_Generic((x), \
__u8: (x), \
__le16: le16_to_cpu(x), \
__le32: le32_to_cpu(x), \
__le64: le64_to_cpu(x) \
__u8: (u8)(x), \
__le16: (u16)le16_to_cpu(x), \
__le32: (u32)le32_to_cpu(x), \
__le64: (u64)le64_to_cpu(x) \
)
#define virtio_cpu_to_le(x, m) \
@ -400,7 +400,6 @@ static inline __virtio64 cpu_to_virtio64(struct virtio_device *vdev, u64 val)
*(ptr) = virtio_le_to_cpu(virtio_cread_v); \
} while(0)
/* Config space accessors. */
#define virtio_cwrite_le(vdev, structname, member, ptr) \
do { \
typeof(((structname*)0)->member) virtio_cwrite_v = \