diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2011-06-16 18:22:11 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2011-07-23 01:18:20 -0400 |
| commit | 94674b15df4fdb111aeb2b07e67a818db5faa3c3 (patch) | |
| tree | cf16b91c7b9543f8dcaa80c2410658697b73ba32 | |
| parent | 7595ac0711723dbc07e07ebb8c91ad56df4ab49d (diff) | |
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: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | arch/blackfin/kernel/debug-mmrs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/debug-mmrs.c b/arch/blackfin/kernel/debug-mmrs.c index 26ebfe8f63c2..bafae8717903 100644 --- a/arch/blackfin/kernel/debug-mmrs.c +++ b/arch/blackfin/kernel/debug-mmrs.c @@ -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) |