UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

xtensa: ISS: don't allocate memory in platform_setup 

Memory allocator is not initialized at that point yet, use static array
instead.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2018-09-06 11:19:20 -07:00
parent 57361846b5
commit ef439d49e0
1 changed files with 15 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
arch/xtensa/platforms/iss/setup.c
View File

@ -78,23 +78,28 @@ static struct notifier_block iss_panic_block = {
void __init platform_setup(char **p_cmdline)
{
static void *argv[COMMAND_LINE_SIZE / sizeof(void *)] __initdata;
static char cmdline[COMMAND_LINE_SIZE] __initdata;
int argc = simc_argc();
int argv_size = simc_argv_size();
if (argc > 1) {
void **argv = alloc_bootmem(argv_size);
char *cmdline = alloc_bootmem(argv_size);
int i;
if (argv_size > sizeof(argv)) {
pr_err("%s: command line too long: argv_size = %d\n",
__func__, argv_size);
} else {
int i;
cmdline[0] = 0;
simc_argv((void *)argv);
cmdline[0] = 0;
simc_argv((void *)argv);
for (i = 1; i < argc; ++i) {
if (i > 1)
strcat(cmdline, " ");
strcat(cmdline, argv[i]);
for (i = 1; i < argc; ++i) {
if (i > 1)
strcat(cmdline, " ");
strcat(cmdline, argv[i]);
}
*p_cmdline = cmdline;
}
*p_cmdline = cmdline;
}
atomic_notifier_chain_register(&panic_notifier_list, &iss_panic_block);