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Diffstat (limited to 'arch/s390/hypfs/hypfs_diag0c.c')
-rw-r--r--arch/s390/hypfs/hypfs_diag0c.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/s390/hypfs/hypfs_diag0c.c b/arch/s390/hypfs/hypfs_diag0c.c
index cebf05150cc1..9c398bf0ddc6 100644
--- a/arch/s390/hypfs/hypfs_diag0c.c
+++ b/arch/s390/hypfs/hypfs_diag0c.c
@@ -54,8 +54,7 @@ static void *diag0c_store(unsigned int *count)
if (!cpu_vec)
goto fail_put_online_cpus;
/* Note: Diag 0c needs 8 byte alignment and real storage */
- diag0c_data = kzalloc(sizeof(struct hypfs_diag0c_hdr) +
- cpu_count * sizeof(struct hypfs_diag0c_entry),
+ diag0c_data = kzalloc(struct_size(diag0c_data, entry, cpu_count),
GFP_KERNEL | GFP_DMA);
if (!diag0c_data)
goto fail_kfree_cpu_vec;