From 85d6fbc47c3087c5d048e6734926b0c36af34fe9 Mon Sep 17 00:00:00 2001 From: Thomas Fourier Date: Wed, 18 Jun 2025 08:57:04 +0200 Subject: [PATCH] scsi: fnic: Fix missing DMA mapping error in fnic_send_frame() dma_map_XXX() can fail and should be tested for errors with dma_mapping_error(). Fixes: a63e78eb2b0f ("scsi: fnic: Add support for fabric based solicited requests and responses") Signed-off-by: Thomas Fourier Link: https://lore.kernel.org/r/20250618065715.14740-2-fourier.thomas@gmail.com Reviewed-by: Karan Tilak Kumar Reviewed-by: John Menghini Signed-off-by: Martin K. Petersen --- drivers/scsi/fnic/fnic_fcs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c index 1e8cd64f9a5c..103ab6f1f7cd 100644 --- a/drivers/scsi/fnic/fnic_fcs.c +++ b/drivers/scsi/fnic/fnic_fcs.c @@ -636,6 +636,8 @@ static int fnic_send_frame(struct fnic *fnic, void *frame, int frame_len) unsigned long flags; pa = dma_map_single(&fnic->pdev->dev, frame, frame_len, DMA_TO_DEVICE); + if (dma_mapping_error(&fnic->pdev->dev, pa)) + return -ENOMEM; if ((fnic_fc_trace_set_data(fnic->fnic_num, FNIC_FC_SEND | 0x80, (char *) frame, -- 2.50.1