Merge tag 'qcom-drivers-fixes-for-6.11-2' of...

Merge tag 'qcom-drivers-fixes-for-6.11-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

One more Qualcomm driver fix for v6.11

This resolves a deadlock in the Qualcomm uefisecapp driver following the
attempt to acquire global context is acquired in the case the device
isn't probed.

* tag 'qcom-drivers-fixes-for-6.11-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire()

Link: https://lore.kernel.org/r/20240904145214.4089-1-andersson@kernel.orgSigned-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/firmware/qcom/qcom_qseecom_uefisecapp.c

@@ -715,6 +715,10 @@ static int qcuefi_set_reference(struct qcuefi_client *qcuefi)
 static struct qcuefi_client *qcuefi_acquire(void)
 {
 	mutex_lock(&__qcuefi_lock);
+	if (!__qcuefi) {
+		mutex_unlock(&__qcuefi_lock);
+		return NULL;
+	}
 	return __qcuefi;
 }