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authorStephen Rothwell <sfr@canb.auug.org.au>2008-07-29 16:07:37 +1000
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-30 10:35:49 -0700
commit3dd730f2b49f101b90d283c3efc4e6cd826dd8f6 (patch)
tree040c55f93a1d3fbbd85e2e81319d8f259f71c55f
parenta4319d9fa02fb3f032596d18c6fcc8b05d01a3a5 (diff)
cpumask: statement expressions confuse some versions of gcc
when you take the address of the result. Noticed on a sparc64 compile using a version 3.4.5 cross compiler. kernel/time/tick-common.c: In function `tick_check_new_device': kernel/time/tick-common.c:210: error: invalid lvalue in unary `&' ... Just make it a regular expression. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/cpumask.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 96d0509fb8d..d3219d73f8e 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -287,7 +287,7 @@ static inline const cpumask_t *get_cpu_mask(unsigned int cpu)
* gcc optimizes it out (it's a constant) and there's no huge stack
* variable created:
*/
-#define cpumask_of_cpu(cpu) ({ *get_cpu_mask(cpu); })
+#define cpumask_of_cpu(cpu) (*get_cpu_mask(cpu))
#define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS)