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um: Neaten vu_err macro definition 

Defining a macro with ... and __VA_ARGS__ (without ##) can cause
compilation errors if a macro use does not have additional args.

Add ## to __VA_ARGS__ in the macro definition.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Joe Perches 2020-04-11 09:28:08 -07:00 committed by Richard Weinberger
parent bc8f8e4e6e
commit 4c5a770580
1 changed files with 1 additions and 1 deletions
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2
arch/um/drivers/virtio_uml.c
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@ -74,7 +74,7 @@ struct virtio_uml_vq_info {
extern unsigned long long physmem_size, highmem;
#define vu_err(vu_dev, ...) dev_err(&(vu_dev)->pdev->dev, __VA_ARGS__)
#define vu_err(vu_dev, ...) dev_err(&(vu_dev)->pdev->dev, ##__VA_ARGS__)
/* Vhost-user protocol */