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Thu, 15 Jan 2026 00:29:03 -0800 (PST) Received: from QCOM-SocCW5bzXR.qualcomm.com ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-81f8e69d1e7sm1773296b3a.58.2026.01.15.00.28.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Jan 2026 00:29:03 -0800 (PST) From: Jianping Li To: srini@kernel.org, amahesh@qti.qualcomm.com, arnd@arndb.de, gregkh@linuxfoundation.org, linux-arm-msm@vger.kernel.org Cc: Jianping Li , thierry.escande@linaro.org, abelvesa@kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, quic_chennak@quicinc.com, ekansh.gupta@oss.qualcomm.com Subject: [PATCH v2 0/4] Add missing bug fixes Date: Thu, 15 Jan 2026 16:28:47 +0800 Message-Id: <20260115082851.570-1-jianping.li@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: lN6kpI-l35m73ju2MrE28YFZSdHI8a9W X-Authority-Analysis: v=2.4 cv=fbWgCkQF c=1 sm=1 tr=0 ts=6968a551 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=gfRWkJ0A9WzxxLvKSxYA:9 a=zZCYzV9kfG8A:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-ORIG-GUID: lN6kpI-l35m73ju2MrE28YFZSdHI8a9W X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE1MDA1NyBTYWx0ZWRfX4Pn0QWp6YMSp OsTNvu84hJMnZ+5usnJqghdc5hO9YjD4I7KAFy5DSx1aoQzrcqgTROQIBzWsLGOT58Xs5aF6giq X4Z+Qn4yNamw481xa5QoSimEHrdcds61bYCHpkKnm1fnSqex0r3eeJPmErg4F+avN4RBHgxLCwI Xt0PGF3EFeaP2beYOYSfNaIaP/SjFg8KBwjt90mk49herIJCpqZgAxKfPzJAkHC/m4T1RyhaNR5 OvAfOG5vU1LRtdLE86ASueW3e0GupU98WSMUM6AwCjL1Qq18j/olLxy4rk/R1smfsJpZJCa53mz RYk+LZsfYsE5hp+0xXZWZi2MV5JzkxRQoCGM8wG11Rp/TWeEvOeYmjsTi7ZBI4/kJIZ58UBKA9J LPA+0EY7L838ryooxS42RsA9WGGqx/DtGTOwu/CTjP0RlxNRlboi6i6EZ4Dhi0uPz7pd19bW6S9 jzI+H0htp5d4T/tTO3g== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-15_02,2026-01-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 impostorscore=0 phishscore=0 priorityscore=1501 adultscore=0 clxscore=1015 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601150057 Add missing bug fixes in memory areas. This patch series carries following fixes: - Add proper checks to fastrpc_buf_free to avoid potential issues. - Add multiple fixes for remote heap which is used by Audio PD. Patch [v1]: https://lore.kernel.org/all/20250513042825.2147985-1-ekansh.gupta@oss.qualcomm.com/ Changes in v2: - Remove the if check outside fastrpc_buf_free - Store the spinlock pointer in the struct fastrpc_buf instead - Allocate entire reserved memory to audio PD through remote heap Ekansh Gupta (3): misc: fastrpc: Add NULL check to fastrpc_buf_free to prevent crash misc: fastrpc: Fix initial memory allocation for Audio PD memory pool misc: fastrpc: Remove buffer from list prior to unmap operation Jianping Li (1): misc: fastrpc: Allocate entire reserved memory for Audio PD in probe drivers/misc/fastrpc.c | 135 ++++++++++++++++++++++------------------- 1 file changed, 71 insertions(+), 64 deletions(-) -- 2.43.0