From: Nuno Sá <nuno.sa@analog.com>
Date: Fri, 24 Apr 2026 17:40:15 +0000 (+0100)
Subject: dmaengine: dma-axi-dmac: Properly free struct axi_dmac_desc
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4910ce1b3b35687bb2a5e742c4bfbea3c647c980;p=thirdparty%2Flinux.git

dmaengine: dma-axi-dmac: Properly free struct axi_dmac_desc

Use axi_dmac_free_desc() to free fully the descriptor at fail path when
call axi_dmac_alloc_desc() in axi_dmac_prep_peripheral_dma_vec().

Fixes: 74609e568670 ("dmaengine: dma-axi-dmac: Implement device_prep_peripheral_dma_vec")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260424-dma-dmac-handle-vunmap-v4-2-90f43412fdc0@analog.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---

diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c
index 45c2c8e4bc451..127c3cf80a0e5 100644
--- a/drivers/dma/dma-axi-dmac.c
+++ b/drivers/dma/dma-axi-dmac.c
@@ -769,7 +769,7 @@ axi_dmac_prep_peripheral_dma_vec(struct dma_chan *c, const struct dma_vec *vecs,
 	for (i = 0; i < nb; i++) {
 		if (!axi_dmac_check_addr(chan, vecs[i].addr) ||
 		    !axi_dmac_check_len(chan, vecs[i].len)) {
-			kfree(desc);
+			axi_dmac_free_desc(desc);
 			return NULL;
 		}