Revert "leds: lp5523: fix a missing check of return value of lp55xx_read"

This reverts commit 248b57015f35c94d4eae2fdd8c6febf5cd703900.

Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.

Upon review, this commit was found to be incorrect for the reasons
below, so it must be reverted.  It will be fixed up "correctly" in a
later kernel change.

The original commit does not properly unwind if there is an error
condition so it needs to be reverted at this point in time.

Cc: Kangjie Lu <kjlu@umn.edu>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: stable <stable@vger.kernel.org>
Fixes: 248b57015f35 ("leds: lp5523: fix a missing check of return value of lp55xx_read")
Link: https://lore.kernel.org/r/20210503115736.2104747-9-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index fc433e63b1dc0319966fb52493f9c6d99d218368..5036d7d5f3d4875075a352b8138eb5e4e88a6b4c 100644 (file)
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -305,9 +305,7 @@ static int lp5523_init_program_engine(struct lp55xx_chip *chip)
 
        /* Let the programs run for couple of ms and check the engine status */
        usleep_range(3000, 6000);
-       ret = lp55xx_read(chip, LP5523_REG_STATUS, &status);
-       if (ret)
-               return ret;
+       lp55xx_read(chip, LP5523_REG_STATUS, &status);
        status &= LP5523_ENG_STATUS_MASK;
 
        if (status != LP5523_ENG_STATUS_MASK) {