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authorIngo Molnar <mingo@kernel.org>2013-08-29 12:02:08 +0200
committerIngo Molnar <mingo@kernel.org>2013-08-29 12:02:08 +0200
commitaee2bce3cfdcb9bf2c51c24496ee776e8202ed11 (patch)
tree66ff8e345cf693cfb39383f25ad796e2f59ab6ad /arch/m68k/emu/natfeat.c
parent5ec4c599a52362896c3e7c6a31ba6145dca9c6f5 (diff)
parentc95389b4cd6a4b52af78bea706a274453e886251 (diff)
downloadlinux-aee2bce3cfdcb9bf2c51c24496ee776e8202ed11.tar.bz2
Merge branch 'linus' into perf/core
Pick up the latest upstream fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/m68k/emu/natfeat.c')
-rw-r--r--arch/m68k/emu/natfeat.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c
index 2291a7d69d49..fa277aecfb78 100644
--- a/arch/m68k/emu/natfeat.c
+++ b/arch/m68k/emu/natfeat.c
@@ -18,9 +18,11 @@
#include <asm/machdep.h>
#include <asm/natfeat.h>
+extern long nf_get_id2(const char *feature_name);
+
asm("\n"
-" .global nf_get_id,nf_call\n"
-"nf_get_id:\n"
+" .global nf_get_id2,nf_call\n"
+"nf_get_id2:\n"
" .short 0x7300\n"
" rts\n"
"nf_call:\n"
@@ -29,12 +31,25 @@ asm("\n"
"1: moveq.l #0,%d0\n"
" rts\n"
" .section __ex_table,\"a\"\n"
-" .long nf_get_id,1b\n"
+" .long nf_get_id2,1b\n"
" .long nf_call,1b\n"
" .previous");
-EXPORT_SYMBOL_GPL(nf_get_id);
EXPORT_SYMBOL_GPL(nf_call);
+long nf_get_id(const char *feature_name)
+{
+ /* feature_name may be in vmalloc()ed memory, so make a copy */
+ char name_copy[32];
+ size_t n;
+
+ n = strlcpy(name_copy, feature_name, sizeof(name_copy));
+ if (n >= sizeof(name_copy))
+ return 0;
+
+ return nf_get_id2(name_copy);
+}
+EXPORT_SYMBOL_GPL(nf_get_id);
+
void nfprint(const char *fmt, ...)
{
static char buf[256];