Kernel/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-12-28 00:35:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tools/thermal: Fix common realloc mistake

Browse Source 
If the 'realloc' fails, the thermal zones pointer is set to NULL. This
makes all thermal zones references which were previously successfully
initialized to be lost.

[dlezcano] : Fixed indentation

Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20241114084039.42149-1-zhangjiao2@cmss.chinamobile.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
zhang jiao 2024-11-14 16:40:39 +08:00 committed by Daniel Lezcano
parent d8afb8cc8b
commit d303e3dd8d
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
tools/thermal/thermometer/thermometer.c
View File

@ -259,6 +259,7 @@ static int thermometer_add_tz(const char *path, const char *name, int polling,
{
int fd;
char tz_path[PATH_MAX];
struct tz *tz;
sprintf(tz_path, CLASS_THERMAL"/%s/temp", path);
@ -268,13 +269,13 @@ static int thermometer_add_tz(const char *path, const char *name, int polling,
return -1;
}
thermometer->tz = realloc(thermometer->tz,
sizeof(*thermometer->tz) * (thermometer->nr_tz + 1));
if (!thermometer->tz) {
tz = realloc(thermometer->tz, sizeof(*thermometer->tz) * (thermometer->nr_tz + 1));
if (!tz) {
ERROR("Failed to allocate thermometer->tz\n");
return -1;
}
thermometer->tz = tz;
thermometer->tz[thermometer->nr_tz].fd_temp = fd;
thermometer->tz[thermometer->nr_tz].name = strdup(name);
thermometer->tz[thermometer->nr_tz].polling = polling;