diff mbox series

[v1,3/5] misc: fastrpc: Fix initial memory allocation for Audio PD memory pool

Message ID 20250513042825.2147985-4-ekansh.gupta@oss.qualcomm.com
State New
Headers show
Series [v1,1/5] misc: fastrpc: Add NULL check to fastrpc_buf_free to prevent crash | expand

Commit Message

Ekansh Gupta May 13, 2025, 4:28 a.m. UTC 
The initially allocated memory is not properly included in the pool,
leading to potential issues with memory management. Set the number
of pages to one to ensure that the initially allocated memory is
correctly added to the Audio PD memory pool.

Fixes: 0871561055e66 ("misc: fastrpc: Add support for audiopd")
Cc: stable@kernel.org
Signed-off-by: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
---
 drivers/misc/fastrpc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index d4e38b5e5e6c..b629e24f00bc 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -1311,6 +1311,9 @@  static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
 		goto err;
 	}
 
+	inbuf.client_id = fl->client_id;
+	inbuf.namelen = init.namelen;
+	inbuf.pageslen = 0;
 	if (!fl->cctx->audio_init_mem) {
 		err = fastrpc_remote_heap_alloc(fl, fl->sctx->dev, init.memlen,
 						&buf);
@@ -1335,12 +1338,10 @@  static int fastrpc_init_create_static_process(struct fastrpc_user *fl,
 			list_add_tail(&buf->node, &fl->cctx->rhmaps);
 			spin_unlock_irqrestore(&fl->cctx->lock, flags);
 			fl->cctx->audio_init_mem = true;
+			inbuf.pageslen = 1;
 		}
 	}
 
-	inbuf.client_id = fl->client_id;
-	inbuf.namelen = init.namelen;
-	inbuf.pageslen = 0;
 	fl->pd = USER_PD;
 
 	args[0].ptr = (u64)(uintptr_t)&inbuf;