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mhi-dev: Fix NULL error check

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Memory allocation for MHI client channels is failing.
Resolve it by fixing the conditional check for
NULL pointer.

Change-Id: I98a7fe085482116236703e3af69010bade0130b7
Signed-off-by: Gauri Joshi <gaurjosh@codeaurora.org>
This commit is contained in:
Gauri Joshi 2021-01-19 12:28:04 -08:00
commit e793a637e2
1 changed files with 3 additions and 2 deletions
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5
drivers/platform/msm/mhi_dev/mhi_uci.c
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@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2015,2017-2020, The Linux Foundation. All rights reserved.*/
/* Copyright (c) 2015,2017-2021, The Linux Foundation. All rights reserved.*/
#include <linux/module.h>
#include <linux/kernel.h>
@ -943,8 +943,9 @@ static int mhi_uci_client_open(struct inode *mhi_inode,
"Client opened struct device node 0x%x, ref count 0x%x\n",
iminor(mhi_inode), atomic_read(&uci_handle->ref_count));
if (atomic_add_return(1, &uci_handle->ref_count) == 1) {
if (uci_handle != NULL) {
if (!uci_handle) {
atomic_dec(&uci_handle->ref_count);
uci_log(UCI_DBG_DBG, "No memory, returning failure\n");
return -ENOMEM;
}
uci_handle->uci_ctxt = &uci_ctxt;