thermal: exynos: Propagate error value from tmu_read()

tmu_read() in case of Exynos4210 might return error for out of bound
values. Current code ignores such value, what leads to reporting critical
temperature value. Add proper error code propagation to exynos_get_temp()

Signed-off-by: Marek Szyprowski <>
CC: # v4.6+
Acked-by: Bartlomiej Zolnierkiewicz <>
Signed-off-by: Eduardo Valentin <>
1 file changed