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authorTakashi Iwai <tiwai@suse.de>2022-09-22 13:47:09 +0200
committerTakashi Iwai <tiwai@suse.de>2022-09-22 13:47:09 +0200
commitcbdac8bc2cbf91b42a92869dc938b809054d4fae (patch)
tree06118f3dc9ea6dab868ebc89aad68e19cd4c7800 /drivers/misc
parentRevert "ALSA: usb-audio: Split endpoint setups for hw_params and prepare" (diff)
parentASoC: tas2770: Reinit regcache on reset (diff)
Merge tag 'asoc-fix-v6.0-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.0 A few device specific fixes, nothing too large, and a new device ID for a Dell laptop.
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/fastrpc.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 93ebd174d848..5d9e3483b89d 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -25,7 +25,7 @@
#define SDSP_DOMAIN_ID (2)
#define CDSP_DOMAIN_ID (3)
#define FASTRPC_DEV_MAX 4 /* adsp, mdsp, slpi, cdsp*/
-#define FASTRPC_MAX_SESSIONS 13 /*12 compute, 1 cpz*/
+#define FASTRPC_MAX_SESSIONS 14
#define FASTRPC_MAX_VMIDS 16
#define FASTRPC_ALIGN 128
#define FASTRPC_MAX_FDLIST 16
@@ -1943,7 +1943,12 @@ static int fastrpc_cb_probe(struct platform_device *pdev)
of_property_read_u32(dev->of_node, "qcom,nsessions", &sessions);
spin_lock_irqsave(&cctx->lock, flags);
- sess = &cctx->session[cctx->sesscount];
+ if (cctx->sesscount >= FASTRPC_MAX_SESSIONS) {
+ dev_err(&pdev->dev, "too many sessions\n");
+ spin_unlock_irqrestore(&cctx->lock, flags);
+ return -ENOSPC;
+ }
+ sess = &cctx->session[cctx->sesscount++];
sess->used = false;
sess->valid = true;
sess->dev = dev;
@@ -1956,13 +1961,12 @@ static int fastrpc_cb_probe(struct platform_device *pdev)
struct fastrpc_session_ctx *dup_sess;
for (i = 1; i < sessions; i++) {
- if (cctx->sesscount++ >= FASTRPC_MAX_SESSIONS)
+ if (cctx->sesscount >= FASTRPC_MAX_SESSIONS)
break;
- dup_sess = &cctx->session[cctx->sesscount];
+ dup_sess = &cctx->session[cctx->sesscount++];
memcpy(dup_sess, sess, sizeof(*dup_sess));
}
}
- cctx->sesscount++;
spin_unlock_irqrestore(&cctx->lock, flags);
rc = dma_set_mask(dev, DMA_BIT_MASK(32));
if (rc) {