Messages in this thread Patch in this message | | | From | Lv Zheng <> | Subject | [PATCH] ACPI / debugger: Fix an issue a flag is modified without locking | Date | Thu, 24 Dec 2015 14:16:26 +0800 |
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There is one line of code, executed out of locking due to rebase mistakes. This patch fixes this issue.
Signed-off-by: Lv Zheng <lv.zheng@intel.com> --- drivers/acpi/acpi_dbg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c index 381beb2..fa18bd0 100644 --- a/drivers/acpi/acpi_dbg.c +++ b/drivers/acpi/acpi_dbg.c @@ -516,10 +516,10 @@ static int acpi_aml_open(struct inode *inode, struct file *file) ret = -EINVAL; goto err_lock; } - acpi_aml_io.flags |= ACPI_AML_OPENED; pr_debug("Debugger thread initialized.\n"); mutex_lock(&acpi_aml_io.lock); + acpi_aml_io.flags |= ACPI_AML_OPENED; acpi_aml_io.out_crc.head = acpi_aml_io.out_crc.tail = 0; acpi_aml_io.in_crc.head = acpi_aml_io.in_crc.tail = 0; pr_debug("Debugger interface opened.\n"); -- 1.7.10
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