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-rw-r--r--drivers/bus/fsl-mc/fsl-mc-msi.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/bus/fsl-mc/fsl-mc-msi.c b/drivers/bus/fsl-mc/fsl-mc-msi.c
index 5e0e4393ce4d..0cfe859a4ac4 100644
--- a/drivers/bus/fsl-mc/fsl-mc-msi.c
+++ b/drivers/bus/fsl-mc/fsl-mc-msi.c
@@ -224,8 +224,12 @@ int fsl_mc_msi_domain_alloc_irqs(struct device *dev,  unsigned int irq_count)
 	if (error)
 		return error;
 
+	msi_lock_descs(dev);
 	if (msi_first_desc(dev, MSI_DESC_ALL))
-		return -EINVAL;
+		error = -EINVAL;
+	msi_unlock_descs(dev);
+	if (error)
+		return error;
 
 	/*
 	 * NOTE: Calling this function will trigger the invocation of the