add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/m68k/kernel/signal.c
..
..
@@ -47,7 +47,6 @@
47
47
 
48
48
 #include <asm/setup.h>
49
49
 #include <linux/uaccess.h>
50
-#include <asm/pgtable.h>
51
50
 #include <asm/traps.h>
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51
 #include <asm/ucontext.h>
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52
 #include <asm/cacheflush.h>
..
..
@@ -62,25 +61,25 @@
62
61
 #define	FMT4SIZE	0
63
62
 #else
64
63
 #define	FORMAT		0
65
-#define	FMT4SIZE	sizeof(((struct frame *)0)->un.fmt4)
64
+#define	FMT4SIZE	sizeof_field(struct frame, un.fmt4)
66
65
 #endif
67
66
 
68
67
 static const int frame_size_change[16] = {
69
-  [1]	= -1, /* sizeof(((struct frame *)0)->un.fmt1), */
70
-  [2]	= sizeof(((struct frame *)0)->un.fmt2),
71
-  [3]	= sizeof(((struct frame *)0)->un.fmt3),
68
+  [1]	= -1, /* sizeof_field(struct frame, un.fmt1), */
69
+  [2]	= sizeof_field(struct frame, un.fmt2),
70
+  [3]	= sizeof_field(struct frame, un.fmt3),
72
71
   [4]	= FMT4SIZE,
73
-  [5]	= -1, /* sizeof(((struct frame *)0)->un.fmt5), */
74
-  [6]	= -1, /* sizeof(((struct frame *)0)->un.fmt6), */
75
-  [7]	= sizeof(((struct frame *)0)->un.fmt7),
76
-  [8]	= -1, /* sizeof(((struct frame *)0)->un.fmt8), */
77
-  [9]	= sizeof(((struct frame *)0)->un.fmt9),
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-  [10]	= sizeof(((struct frame *)0)->un.fmta),
79
-  [11]	= sizeof(((struct frame *)0)->un.fmtb),
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-  [12]	= -1, /* sizeof(((struct frame *)0)->un.fmtc), */
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-  [13]	= -1, /* sizeof(((struct frame *)0)->un.fmtd), */
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-  [14]	= -1, /* sizeof(((struct frame *)0)->un.fmte), */
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-  [15]	= -1, /* sizeof(((struct frame *)0)->un.fmtf), */
72
+  [5]	= -1, /* sizeof_field(struct frame, un.fmt5), */
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+  [6]	= -1, /* sizeof_field(struct frame, un.fmt6), */
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+  [7]	= sizeof_field(struct frame, un.fmt7),
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+  [8]	= -1, /* sizeof_field(struct frame, un.fmt8), */
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+  [9]	= sizeof_field(struct frame, un.fmt9),
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+  [10]	= sizeof_field(struct frame, un.fmta),
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+  [11]	= sizeof_field(struct frame, un.fmtb),
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+  [12]	= -1, /* sizeof_field(struct frame, un.fmtc), */
80
+  [13]	= -1, /* sizeof_field(struct frame, un.fmtd), */
81
+  [14]	= -1, /* sizeof_field(struct frame, un.fmte), */
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+  [15]	= -1, /* sizeof_field(struct frame, un.fmtf), */
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83
 };
85
84
 
86
85
 static inline int frame_extra_sizes(int f)
..
..
@@ -651,7 +650,8 @@
651
650
 		regs->vector = formatvec & 0xfff;
652
651
 	} else {
653
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 		struct switch_stack *sw = (struct switch_stack *)regs - 1;
654
-		unsigned long buf[fsize / 2]; /* yes, twice as much */
653
+		/* yes, twice as much as max(sizeof(frame.un.fmt<x>)) */
654
+		unsigned long buf[sizeof_field(struct frame, un) / 2];
655
655
 
656
656
 		/* that'll make sure that expansion won't crap over data */
657
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 		if (copy_from_user(buf + fsize / 4, fp, fsize))
..
..
@@ -787,7 +787,7 @@
787
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 	struct sigframe __user *frame = (struct sigframe __user *)(usp - 4);
788
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 	sigset_t set;
789
789
 
790
-	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
790
+	if (!access_ok(frame, sizeof(*frame)))
791
791
 		goto badframe;
792
792
 	if (__get_user(set.sig[0], &frame->sc.sc_mask) ||
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793
 	    (_NSIG_WORDS > 1 &&
..
..
@@ -802,7 +802,7 @@
802
802
 	return regs->d0;
803
803
 
804
804
 badframe:
805
-	force_sig(SIGSEGV, current);
805
+	force_sig(SIGSEGV);
806
806
 	return 0;
807
807
 }
808
808
 
..
..
@@ -812,7 +812,7 @@
812
812
 	struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(usp - 4);
813
813
 	sigset_t set;
814
814
 
815
-	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
815
+	if (!access_ok(frame, sizeof(*frame)))
816
816
 		goto badframe;
817
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 	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
818
818
 		goto badframe;
..
..
@@ -824,7 +824,7 @@
824
824
 	return regs->d0;
825
825
 
826
826
 badframe:
827
-	force_sig(SIGSEGV, current);
827
+	force_sig(SIGSEGV);
828
828
 	return 0;
829
829
 }
830
830
 
..
..
@@ -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);
..
..
@@ -928,7 +934,8 @@
928
934
 	err |= __put_user(0x70004e40 + (__NR_sigreturn << 16),
929
935
 			  (long __user *)(frame->retcode));
930
936
 #else
931
-	err |= __put_user((void *) ret_from_user_signal, &frame->pretcode);
937
+	err |= __put_user((long) ret_from_user_signal,
938
+			  (long __user *) &frame->pretcode);
932
939
 #endif
933
940
 
934
941
 	if (err)
..
..
@@ -975,7 +982,7 @@
975
982
 		return -EFAULT;
976
983
 	}
977
984
 
978
-	frame = get_sigframe(ksig, sizeof(*frame));
985
+	frame = get_sigframe(ksig, tregs, sizeof(*frame));
979
986
 
980
987
 	if (fsize)
981
988
 		err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize);
..
..
@@ -1007,7 +1014,8 @@
1007
1014
 	err |= __put_user(0x4e40, (short __user *)(frame->retcode + 4));
1008
1015
 #endif
1009
1016
 #else
1010
-	err |= __put_user((void *) ret_from_user_rt_signal, &frame->pretcode);
1017
+	err |= __put_user((long) ret_from_user_rt_signal,
1018
+			  (long __user *) &frame->pretcode);
1011
1019
 #endif /* CONFIG_MMU */
1012
1020
 
1013
1021
 	if (err)
..
..
@@ -1063,7 +1071,7 @@
1063
1071
 			regs->d0 = -EINTR;
1064
1072
 			break;
1065
1073
 		}
1066
-	/* fallthrough */
1074
+		fallthrough;
1067
1075
 	case -ERESTARTNOINTR:
1068
1076
 	do_restart:
1069
1077
 		regs->d0 = regs->orig_d0;
..
..
@@ -1127,9 +1135,10 @@
1127
1135
 
1128
1136
 void do_notify_resume(struct pt_regs *regs)
1129
1137
 {
1130
-	if (test_thread_flag(TIF_SIGPENDING))
1138
+	if (test_thread_flag(TIF_NOTIFY_SIGNAL) ||
1139
+	    test_thread_flag(TIF_SIGPENDING))
1131
1140
 		do_signal(regs);
1132
1141
 
1133
-	if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME))
1142
+	if (test_thread_flag(TIF_NOTIFY_RESUME))
1134
1143
 		tracehook_notify_resume(regs);
1135
1144
 }