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Commit 94674b15 authored by Mike Frysinger's avatar Mike Frysinger
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Blackfin: debug-mmrs: prevent macro arg from expanding 



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: default avatarMike Frysinger <vapier@gentoo.org>
parent 7595ac07

arch/blackfin/kernel/debug-mmrs.c

+1 −1
Original line number Diff line number Diff line
@@ -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)