Check return value of drxj_dap_write_reg16() Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Artem Chernyshev <artem.chernyshev@xxxxxxxxxxx> --- drivers/media/dvb-frontends/drx39xyj/drxj.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c index a738573c8cd7..e657bb6dfa76 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drxj.c +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -2136,9 +2136,13 @@ int drxj_dap_atomic_read_write_block(struct i2c_device_addr *dev_addr, word = ((u16) data[2 * i]); word += (((u16) data[(2 * i) + 1]) << 8); - drxj_dap_write_reg16(dev_addr, - (DRXJ_HI_ATOMIC_BUF_START + i), - word, 0); + rc = drxj_dap_write_reg16(dev_addr, + (DRXJ_HI_ATOMIC_BUF_START + i), + word, 0); + if (rc < 0) { + pr_err("error %d\n", rc); + goto rw_error; + } } } -- 2.37.3