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3a8ca95e9d
The function thermal_cooling_device_register always returns either a valid pointer or a value made with ERR_PTR, so a test for non-zero on the result will always succeed. The problem was found using the following semantic match. (http://www.emn.fr/x-info/coccinelle/) //<smpl> @a@ expression E, E1; statement S,S1; position p; @@ E = thermal_cooling_device_register(...) ... when != E = E1 if@p (E) S else S1 @n@ position a.p; expression E,E1; statement S,S1; @@ E = NULL ... when != E = E1 if@p (E) S else S1 @depends on !n@ expression E; statement S,S1; position a.p; @@ * if@p (E) S else S1 //</smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Cc: Thomas Sujith <sujith.thomas@intel.com> Cc: Len Brown <len.brown@intel.com> Cc: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| hdpuftrs | ||
| ibmasm | ||
| sgi-xp | ||
| acer-wmi.c | ||
| asus-laptop.c | ||
| atmel_pwm.c | ||
| atmel_tclib.c | ||
| atmel-ssc.c | ||
| eeprom_93cx6.c | ||
| enclosure.c | ||
| fujitsu-laptop.c | ||
| intel_menlow.c | ||
| ioc4.c | ||
| Kconfig | ||
| kgdbts.c | ||
| lkdtm.c | ||
| Makefile | ||
| msi-laptop.c | ||
| phantom.c | ||
| sony-laptop.c | ||
| tc1100-wmi.c | ||
| thinkpad_acpi.c | ||
| tifm_7xx1.c | ||
| tifm_core.c | ||