MAX_SEQ_NR is used in padata_alloc_pd() like this:
pd->max_seq_nr = (MAX_SEQ_NR / num_cpus) * num_cpus - 1;
It needs parenthesis or the divide by num_cpus takes precedence over the
subtraction.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
---
Found by a static checker. I don't really know this code.
diff --git a/kernel/padata.c b/kernel/padata.c
index b1c9857..ff8de1b 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -28,7 +28,7 @@
#include <linux/slab.h>
#include <linux/rcupdate.h>
-#define MAX_SEQ_NR INT_MAX - NR_CPUS
+#define MAX_SEQ_NR (INT_MAX - NR_CPUS)
#define MAX_OBJ_NUM 1000
static int padata_index_to_cpu(struct parallel_data *pd, int cpu_index)
--
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