X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=kernel%2Fsignal.c;h=aa9bf00749c151b70026a78111149f61f1a99727;hb=a00e3ab64be2e482bd25fe30bdc9bfa6e2b0cf1c;hp=fe8ed298373cb71e992bcd9d53cbe81ffce1ab62;hpb=b852495908cd1b02ad47672a83f622ad4264801b;p=linux-beck.git

diff --git a/kernel/signal.c b/kernel/signal.c
index fe8ed298373c..aa9bf00749c1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3585,6 +3585,10 @@ __weak const char *arch_vma_name(struct vm_area_struct *vma)
 
 void __init signals_init(void)
 {
+	/* If this check fails, the __ARCH_SI_PREAMBLE_SIZE value is wrong! */
+	BUILD_BUG_ON(__ARCH_SI_PREAMBLE_SIZE
+		!= offsetof(struct siginfo, _sifields._pad));
+
 	sigqueue_cachep = KMEM_CACHE(sigqueue, SLAB_PANIC);
 }