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-rw-r--r--drivers/pci/pcie/aer/aerdrv_core.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 8af4f619bba2..fc0b5a93e1de 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -727,20 +727,21 @@ static void aer_isr_one_error(struct pcie_device *p_device,
static int get_e_source(struct aer_rpc *rpc, struct aer_err_source *e_src)
{
unsigned long flags;
- int ret = 0;
/* Lock access to Root error producer/consumer index */
spin_lock_irqsave(&rpc->e_lock, flags);
- if (rpc->prod_idx != rpc->cons_idx) {
- *e_src = rpc->e_sources[rpc->cons_idx];
- rpc->cons_idx++;
- if (rpc->cons_idx == AER_ERROR_SOURCES_MAX)
- rpc->cons_idx = 0;
- ret = 1;
+ if (rpc->prod_idx == rpc->cons_idx) {
+ spin_unlock_irqrestore(&rpc->e_lock, flags);
+ return 0;
}
+
+ *e_src = rpc->e_sources[rpc->cons_idx];
+ rpc->cons_idx++;
+ if (rpc->cons_idx == AER_ERROR_SOURCES_MAX)
+ rpc->cons_idx = 0;
spin_unlock_irqrestore(&rpc->e_lock, flags);
- return ret;
+ return 1;
}
/**