change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/m68k/kernel/signal.c
..
..
@@ -882,11 +882,17 @@
882
882
 }
883
883
 
884
884
 static inline void __user *
885
-get_sigframe(struct ksignal *ksig, size_t frame_size)
885
+get_sigframe(struct ksignal *ksig, struct pt_regs *tregs, size_t frame_size)
886
886
 {
887
887
 	unsigned long usp = sigsp(rdusp(), ksig);
888
+	unsigned long gap = 0;
888
889
 
889
-	return (void __user *)((usp - frame_size) & -8UL);
890
+	if (CPU_IS_020_OR_030 && tregs->format == 0xb) {
891
+		/* USP is unreliable so use worst-case value */
892
+		gap = 256;
893
+	}
894
+
895
+	return (void __user *)((usp - gap - frame_size) & -8UL);
890
896
 }
891
897
 
892
898
 static int setup_frame(struct ksignal *ksig, sigset_t *set,
..
..
@@ -904,7 +910,7 @@
904
910
 		return -EFAULT;
905
911
 	}
906
912
 
907
-	frame = get_sigframe(ksig, sizeof(*frame) + fsize);
913
+	frame = get_sigframe(ksig, tregs, sizeof(*frame) + fsize);
908
914
 
909
915
 	if (fsize)
910
916
 		err |= copy_to_user (frame + 1, regs + 1, fsize);
..
..
@@ -976,7 +982,7 @@
976
982
 		return -EFAULT;
977
983
 	}
978
984
 
979
-	frame = get_sigframe(ksig, sizeof(*frame));
985
+	frame = get_sigframe(ksig, tregs, sizeof(*frame));
980
986
 
981
987
 	if (fsize)
982
988
 		err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize);