6.15-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Fourier fourier.thomas@gmail.com
[ Upstream commit 85d6fbc47c3087c5d048e6734926b0c36af34fe9 ]
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 fourier.thomas@gmail.com Link: https://lore.kernel.org/r/20250618065715.14740-2-fourier.thomas@gmail.com Reviewed-by: Karan Tilak Kumar kartilak@cisco.com Reviewed-by: John Menghini jmeneghi@redhat.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 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,