Missing put_cpu() in arch/ia64/sn/kernel/sn2/sn_hwperf.c?
From: Thomas Meyer
Date: Mon Aug 08 2011 - 14:05:41 EST
The function sn_hwperf_op_cpu() seems to miss a corresponding put_cpu().
Or is this done in another function? I didn't find it.
thomas
---
Check for get/put_cpu() imbalances
The simplified semantic patch that makes this report is:
* get_cpu()
... when != put_cpu()
? get_cpu()
drivers/crypto/n2_core.c:986:25-26: WARNING: Possible missing put_cpu()!
drivers/crypto/n2_core.c:1041:25-26: WARNING: Possible missing put_cpu()!
drivers/scsi/fcoe/fcoe.c:1163:29-30: WARNING: Possible missing put_cpu()!
drivers/scsi/fcoe/fcoe.c:1630:47-48: WARNING: Possible missing put_cpu()!
arch/um/sys-i386/ldt.c:53:17-18: WARNING: Possible missing put_cpu()!
arch/powerpc/kernel/machine_kexec_64.c:188:18-19: WARNING: Possible missing put_cpu()!
arch/ia64/sn/kernel/sn2/sn_hwperf.c:618:52-53: WARNING: Possible missing put_cpu()!
arch/s390/oprofile/hwsampler.c:553:16-17: WARNING: Possible missing put_cpu()!
arch/s390/kernel/vtime.c:430:22-23: WARNING: Possible missing put_cpu()!
arch/s390/kernel/vtime.c:473:15-16: WARNING: Possible missing put_cpu()!
arch/blackfin/kernel/cplbinfo.c:89:9-10: WARNING: Possible missing put_cpu()!
This list contains some false positives.
Thanks to Julia for the semantic patch to find these kind of errors!
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