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| author | Anandu Krishnan E <anandu.e@oss.qualcomm.com> | 2026-07-24 23:33:40 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-07-31 10:59:47 +0200 |
| commit | 310f7868399668c6d99d88acc9c4cf3462e69d5b (patch) | |
| tree | e06b074489d6356e2088025d96bbb2ab8e25fb86 /drivers/misc | |
| parent | b85a0e91d7d6cd06a53c881a46f749cfcef416a2 (diff) | |
| download | linux-next-310f7868399668c6d99d88acc9c4cf3462e69d5b.tar.gz linux-next-310f7868399668c6d99d88acc9c4cf3462e69d5b.zip | |
misc: fastrpc: fix channel ctx ref leak when session alloc fails
fastrpc_channel_ctx_get() is called in fastrpc_device_open() before
fastrpc_session_alloc(). If session alloc fails, the error path
returns -EBUSY without calling fastrpc_channel_ctx_put(), leaking
the reference. Fix by adding the missing put.
Fixes: 278d56f970ae ("misc: fastrpc: Reference count channel context")
Cc: stable@kernel.org
Signed-off-by: Anandu Krishnan E <anandu.e@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20260724223342.629168-5-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/fastrpc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index c75eafe872cc..f8cbe30c5d5c 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -1675,7 +1675,7 @@ static int fastrpc_device_open(struct inode *inode, struct file *filp) dev_err(&cctx->rpdev->dev, "No session available\n"); mutex_destroy(&fl->mutex); kfree(fl); - + fastrpc_channel_ctx_put(cctx); return -EBUSY; } |