diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-05 08:53:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-05 08:53:56 +0300 |
| commit | 50e177c5bfd9abc3828cb57e14e6169170f6764a (patch) | |
| tree | 180aafa376fb7a0a89c7d6812f640f8c46758bd5 /drivers/misc/fastrpc.c | |
| parent | 4ec7ac90ff399b7d9af81cc8afd430a22786c61b (diff) | |
| parent | 7e18e42e4b280c85b76967a9106a13ca61c16179 (diff) | |
| download | linux-50e177c5bfd9abc3828cb57e14e6169170f6764a.tar.xz | |
Merge 6.0-rc4 into char-misc-next
We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/fastrpc.c')
| -rw-r--r-- | drivers/misc/fastrpc.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 8895ca593911..7ff0b63c25e3 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) { |