Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 039/134] media: qm1d1c0042: fix error return code in qm1d1c0042_init() | Date | Mon, 1 Mar 2021 17:12:20 +0100 |
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From: Luo Meng <luomeng12@huawei.com>
[ Upstream commit fcf8d018bdca0453b8d6359062e6bc1512d04c38 ]
Fix to return a negative error code from the error handling case instead of 0 in function qm1d1c0042_init(), as done elsewhere in this function.
Fixes: ab4d14528fdf ("[media] em28xx: add support for PLEX PX-BCUD (ISDB-S)") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Luo Meng <luomeng12@huawei.com> Acked-by: Akihiro Tsukada <tskd08@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/media/tuners/qm1d1c0042.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/tuners/qm1d1c0042.c b/drivers/media/tuners/qm1d1c0042.c index 9af2a155cfca9..416d1eeb9c029 100644 --- a/drivers/media/tuners/qm1d1c0042.c +++ b/drivers/media/tuners/qm1d1c0042.c @@ -352,8 +352,10 @@ static int qm1d1c0042_init(struct dvb_frontend *fe) if (val == reg_initval[reg_index][0x00]) break; } - if (reg_index >= QM1D1C0042_NUM_REG_ROWS) + if (reg_index >= QM1D1C0042_NUM_REG_ROWS) { + ret = -EINVAL; goto failed; + } memcpy(state->regs, reg_initval[reg_index], QM1D1C0042_NUM_REGS); usleep_range(2000, 3000); -- 2.27.0
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