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Blackfin: debug-mmrs: prevent macro arg from expanding

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Passing a non-simple expression in as the addr arg could incorrectly
apply the pointer cast resulting in misbehavior.  Add proper paren.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-06-16 18:22:11 -04:00
parent 7595ac0711
commit 94674b15df
1 changed files with 1 additions and 1 deletions
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2
arch/blackfin/kernel/debug-mmrs.c
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@ -27,7 +27,7 @@
#define PORT_MUX BFIN_PORT_MUX
#endif
#define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)addr)
#define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)(addr))
#define d(name, bits, addr) _d(name, bits, addr, S_IRUSR|S_IWUSR)
#define d_RO(name, bits, addr) _d(name, bits, addr, S_IRUSR)
#define d_WO(name, bits, addr) _d(name, bits, addr, S_IWUSR)