From: Thomas Fourier Date: Wed, 18 Jun 2025 06:57:04 +0000 (+0200) Subject: scsi: fnic: Fix missing DMA mapping error in fnic_send_frame() X-Git-Tag: v6.16-rc4~31^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=85d6fbc47c3087c5d048e6734926b0c36af34fe9;p=thirdparty%2Flinux.git 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 --- diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c index 1e8cd64f9a5c5..103ab6f1f7cd1 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,