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Fix segfault in riscv_deinit_target(). (#306)

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This would happen when OpenOCD is unable to connect to the JTAG device.

Change-Id: I1785fd5f5a20db9b4b574bdddfe3eab9bdc0b0bc
This commit is contained in:
Tim Newsome
2018-10-18 10:06:23 -07:00
committed by GitHub
parent 35eed36ffd
commit b986d29bc9
1 changed files with 11 additions and 6 deletions
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src/target/riscv/riscv.c
+11 -6
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@@ -280,12 +280,17 @@ static void riscv_deinit_target(struct target *target)
free(info);
}
/* Free the shared structure use for most registers. */
free(target->reg_cache->reg_list[0].arch_info);
/* Free the ones we allocated separately. */
for (unsigned i = GDB_REGNO_COUNT; i < target->reg_cache->num_regs; i++)
free(target->reg_cache->reg_list[i].arch_info);
free(target->reg_cache->reg_list);
free(target->reg_cache);
if (target->reg_cache) {
if (target->reg_cache->reg_list) {
if (target->reg_cache->reg_list[0].arch_info)
free(target->reg_cache->reg_list[0].arch_info);
/* Free the ones we allocated separately. */
for (unsigned i = GDB_REGNO_COUNT; i < target->reg_cache->num_regs; i++)
free(target->reg_cache->reg_list[i].arch_info);
free(target->reg_cache->reg_list);
}
free(target->reg_cache);
}
target->arch_info = NULL;
}