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riscv: spike: Fix memory leak in the board init 

Coverity caught a malloc() call that was never freed. This patch ensures
that we free the memory but also updates the allocation to use
g_strdup_printf() instead of malloc().

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Alistair Francis 2018-11-05 19:44:41 +00:00 committed by Palmer Dabbelt
parent a7ce790a02
commit 00a014ac01
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GPG Key ID: EF4CA1502CCBAB41
1 changed files with 3 additions and 3 deletions
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6
hw/riscv/spike.c
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@ -316,9 +316,7 @@ static void spike_v1_09_1_board_init(MachineState *machine)
/* build config string with supplied memory size */
char *isa = riscv_isa_string(&s->soc.harts[0]);
size_t config_string_size = strlen(config_string_tmpl) + 48;
char *config_string = malloc(config_string_size);
snprintf(config_string, config_string_size, config_string_tmpl,
char *config_string = g_strdup_printf(config_string_tmpl,
(uint64_t)memmap[SPIKE_CLINT].base + SIFIVE_TIME_BASE,
(uint64_t)memmap[SPIKE_DRAM].base,
(uint64_t)ram_size, isa,
@ -345,6 +343,8 @@ static void spike_v1_09_1_board_init(MachineState *machine)
/* Core Local Interruptor (timer and IPI) */
sifive_clint_create(memmap[SPIKE_CLINT].base, memmap[SPIKE_CLINT].size,
smp_cpus, SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE);
g_free(config_string);
}
static void spike_v1_09_1_machine_init(MachineClass *mc)