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msm: ADSPRPC: Add non-NULL check to avoid NULL pointer dereference

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Add non-NULL checks before dereferencing
ctx and fl structures.

Change-Id: Id6fe908a1ef53b896614501f00bd52418027dd97
Signed-off-by: vgattupa <vgattupa@codeaurora.org>
This commit is contained in:
vgattupa 2021-04-23 10:58:04 +05:30
commit 63a324c1b3
1 changed files with 2 additions and 7 deletions
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9
drivers/char/adsprpc.c
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@ -1668,7 +1668,7 @@ static int fastrpc_buf_alloc(struct fastrpc_file *fl, size_t size,
goto bail;
}
VERIFY(err, fl->sctx != NULL);
VERIFY(err, fl && fl->sctx != NULL);
if (err) {
err = -EBADR;
goto bail;
@ -1700,11 +1700,6 @@ static int fastrpc_buf_alloc(struct fastrpc_file *fl, size_t size,
buf->type = buf_type;
ktime_get_real_ts64(&buf->buf_start_time);
VERIFY(err, fl && fl->sctx != NULL);
if (err) {
err = -EBADR;
goto bail;
}
buf->virt = dma_alloc_attrs(fl->sctx->smmu.dev, buf->size,
(dma_addr_t *)&buf->phys,
GFP_KERNEL, buf->dma_attr);
@ -3293,7 +3288,7 @@ read_async_job:
break;
}
spin_unlock_irqrestore(&fl->aqlock, flags);
if (fl->profile)
if (fl->profile && ctx)
perf_counter = (uint64_t *)ctx->perf + PERF_COUNT;
if (ctx) {
fastrpc_wait_for_completion(ctx, &interrupted, 0, 1,