8 files changed, 14 insertions, 15 deletions

diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index e75faf0e59a..c4b5e03af11 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -44,3 +44,4 @@ obj-y                 += iomap.o
 obj-$(CONFIG_SPARC32) += atomic32.o
 obj-y                 += ksyms.o
 obj-$(CONFIG_SPARC64) += PeeCeeI.o
+obj-y                 += usercopy.o
diff --git a/arch/sparc/lib/bzero.S b/arch/sparc/lib/bzero.S
index b6557297440..615f401edf6 100644
--- a/arch/sparc/lib/bzero.S
+++ b/arch/sparc/lib/bzero.S
@@ -6,10 +6,6 @@
 
         .text
 
-        .globl  __memset
-        .type   __memset, #function
-__memset:               /* %o0=buf, %o1=pat, %o2=len */
-
         .globl  memset
         .type   memset, #function
 memset:                 /* %o0=buf, %o1=pat, %o2=len */
@@ -83,7 +79,6 @@ __bzero_done:
         retl
          mov            %o3, %o0
         .size           __bzero, .-__bzero
-        .size           __memset, .-__memset
         .size           memset, .-memset
 
 #define EX_ST(x,y)              \
diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S
index 77f228533d4..3632cb34e91 100644
--- a/arch/sparc/lib/checksum_32.S
+++ b/arch/sparc/lib/checksum_32.S
@@ -560,7 +560,7 @@ __csum_partial_copy_end:
          mov    %i0, %o1
         mov     %i1, %o0
 5:
-        call    __memcpy
+        call    memcpy
          mov    %i2, %o2
         tst     %o0
         bne,a   2f
diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c
index 704b1266838..1b30bb3bfdb 100644
--- a/arch/sparc/lib/ksyms.c
+++ b/arch/sparc/lib/ksyms.c
@@ -30,7 +30,6 @@ EXPORT_SYMBOL(__memscan_generic);
 EXPORT_SYMBOL(memcmp);
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(__memset);
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(__bzero);
 
@@ -81,7 +80,6 @@ EXPORT_SYMBOL(__csum_partial_copy_sparc_generic);
 
 /* Special internal versions of library functions. */
 EXPORT_SYMBOL(__copy_1page);
-EXPORT_SYMBOL(__memcpy);
 EXPORT_SYMBOL(__memmove);
 EXPORT_SYMBOL(bzero_1page);
 
diff --git a/arch/sparc/lib/mcount.S b/arch/sparc/lib/mcount.S
index 7ce9c65f359..24b8b12deed 100644
--- a/arch/sparc/lib/mcount.S
+++ b/arch/sparc/lib/mcount.S
@@ -64,8 +64,9 @@ mcount:
 2:       sethi          %hi(softirq_stack), %g3
         or              %g3, %lo(softirq_stack), %g3
         ldx             [%g3 + %g1], %g7
+        sub             %g7, STACK_BIAS, %g7
         cmp             %sp, %g7
-        bleu,pt         %xcc, 2f
+        bleu,pt         %xcc, 3f
          sethi          %hi(THREAD_SIZE), %g3
         add             %g7, %g3, %g7
         cmp             %sp, %g7
@@ -75,7 +76,7 @@ mcount:
          * again, we are already trying to output the stack overflow
          * message.
          */
-        sethi           %hi(ovstack), %g7               ! cant move to panic stack fast enough
+3:      sethi           %hi(ovstack), %g7               ! cant move to panic stack fast enough
          or             %g7, %lo(ovstack), %g7
         add             %g7, OVSTACKSIZE, %g3
         sub             %g3, STACK_BIAS + 192, %g3
diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S
index ce10bc869af..34fe6575173 100644
--- a/arch/sparc/lib/memcpy.S
+++ b/arch/sparc/lib/memcpy.S
@@ -543,9 +543,6 @@ FUNC(memmove)
         b               3f
          add            %o0, 2, %o0
 
-#ifdef __KERNEL__
-FUNC(__memcpy)
-#endif
 FUNC(memcpy)    /* %o0=dst %o1=src %o2=len */
 
         sub             %o0, %o1, %o4
diff --git a/arch/sparc/lib/memset.S b/arch/sparc/lib/memset.S
index 1c37ea892de..99c017be871 100644
--- a/arch/sparc/lib/memset.S
+++ b/arch/sparc/lib/memset.S
@@ -60,11 +60,10 @@
         .globl  __bzero_begin
 __bzero_begin:
 
-        .globl  __bzero, __memset, 
+        .globl  __bzero
         .globl  memset
         .globl  __memset_start, __memset_end
 __memset_start:
-__memset:
 memset:
         and     %o1, 0xff, %g3
         sll     %g3, 8, %g2
diff --git a/arch/sparc/lib/usercopy.c b/arch/sparc/lib/usercopy.c
new file mode 100644
index 00000000000..14b363fec8a
--- /dev/null
+++ b/arch/sparc/lib/usercopy.c
@@ -0,0 +1,8 @@
+#include <linux/module.h>
+#include <linux/bug.h>
+
+void copy_from_user_overflow(void)
+{
+        WARN(1, "Buffer overflow detected!\n");
+}
+EXPORT_SYMBOL(copy_from_user_overflow);