firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-arch_arm_kernel_kgdb....

22 lines
669 B
Diff

diff -drupN a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
--- a/arch/arm/kernel/kgdb.c 2018-08-06 17:23:04.000000000 +0300
+++ b/arch/arm/kernel/kgdb.c 2022-06-12 05:28:14.000000000 +0300
@@ -140,6 +140,8 @@ int kgdb_arch_handle_exception(int excep
static int kgdb_brk_fn(struct pt_regs *regs, unsigned int instr)
{
+ if (user_mode(regs))
+ return -1;
kgdb_handle_exception(1, SIGTRAP, 0, regs);
return 0;
@@ -147,6 +149,8 @@ static int kgdb_brk_fn(struct pt_regs *r
static int kgdb_compiled_brk_fn(struct pt_regs *regs, unsigned int instr)
{
+ if (user_mode(regs))
+ return -1;
compiled_break = 1;
kgdb_handle_exception(1, SIGTRAP, 0, regs);