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Commit cb957795 authored by Kyle McMartin's avatar Kyle McMartin Committed by Kyle McMartin
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[PARISC] fix null ptr deref in unwind.c 



commit ffb45122 removed one too many args.
kallsyms_lookup is not safe to call with a NULL *modname. Paper bag over the
problem for the time being.

Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent 516a9491

arch/parisc/kernel/unwind.c

+3 −1
Original line number Diff line number Diff line
@@ -216,8 +216,10 @@ static void unwind_frame_regs(struct unwind_frame_info *info) 
		/* Handle some frequent special cases.... */

		{

			char symname[KSYM_NAME_LEN+1];

			char *modname;



			kallsyms_lookup(info->ip, NULL, NULL, NULL, symname);

			kallsyms_lookup(info->ip, NULL, NULL, &modname,

				symname);



			dbg("info->ip = 0x%lx, name = %s\n", info->ip, symname);