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Simplify kallsyms_lookup()

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Several kallsyms_lookup() pass dummy arguments but only need, say, module's
name.  Make kallsyms_lookup() accept NULLs where possible.

Also, makes picture clearer about what interfaces are needed for all symbol
resolving business.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan
2007-05-08 00:28:41 -07:00
committed by Linus Torvalds
parent ea07890a68
commit ffb4512276
10 changed files with 20 additions and 28 deletions
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arch/powerpc/xmon/xmon.c
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@@ -1217,7 +1217,6 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp,
{
unsigned long size, offset;
const char *name;
char *modname;
*startp = *endp = 0;
if (pc == 0)
@@ -1225,7 +1224,7 @@ static void get_function_bounds(unsigned long pc, unsigned long *startp,
if (setjmp(bus_error_jmp) == 0) {
catch_memory_errors = 1;
sync();
name = kallsyms_lookup(pc, &size, &offset, &modname, tmpstr);
name = kallsyms_lookup(pc, &size, &offset, NULL, tmpstr);
if (name != NULL) {
*startp = pc - offset;
*endp = pc - offset + size;