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parisc/lba_pci: use container_of in LBA_DEV 

Use the type safe container_of macros instead of a blind cast in
LBA_DEV, and turn the macro into an inline function.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Christoph Hellwig 2019-01-29 19:13:09 +01:00 committed by Helge Deller
parent e2fcabe0eb
commit 5007526700
1 changed files with 4 additions and 6 deletions
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10
drivers/parisc/lba_pci.c
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@ -111,12 +111,10 @@ static u32 lba_t32;
#define LBA_SKIP_PROBE(d) ((d)->flags & LBA_FLAG_SKIP_PROBE)
/* Looks nice and keeps the compiler happy */
#define LBA_DEV(d) ({ \
void *__pdata = d; \
BUG_ON(!__pdata); \
(struct lba_device *)__pdata; })
static inline struct lba_device *LBA_DEV(struct pci_hba_data *hba)
{
return container_of(hba, struct lba_device, hba);
}
/*
** Only allow 8 subsidiary busses per LBA