| Message ID | 20231103144804.5841-1-shiqiang.deng213@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | driver: acpi: fix the memory leak issue in the cm_write() function. | expand |
diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c index d39a9b474..70132d291 100644 --- a/drivers/acpi/custom_method.c +++ b/drivers/acpi/custom_method.c @@ -79,6 +79,7 @@ static ssize_t cm_write(struct file *file, const char __user *user_buf, add_taint(TAINT_OVERRIDDEN_ACPI_TABLE, LOCKDEP_NOW_UNRELIABLE); } + kfree(buf); return count; }
In the cm_write() function, memory is allocated, and at the end of the function when uncopied_bytes is 0, the memory is freed. If uncopied_bytes is not equal to 0, a memory leak occurs. Signed-off-by: shiqiang.deng <shiqiang.deng213@gmail.com> --- drivers/acpi/custom_method.c | 1 + 1 file changed, 1 insertion(+)