Babu Moger 527f721478 x86/resctrl: Fix a maybe-uninitialized build warning treated as error ... The recent commit 064855a690 ("x86/resctrl: Fix default monitoring groups reporting") caused a RHEL build failure with an uninitialized variable warning treated as an error because it removed the default case snippet. The RHEL Makefile uses '-Werror=maybe-uninitialized' to force possibly uninitialized variable warnings to be treated as errors. This is also reported by smatch via the 0day robot. The error from the RHEL build is: arch/x86/kernel/cpu/resctrl/monitor.c: In function ‘__mon_event_count’: arch/x86/kernel/cpu/resctrl/monitor.c:261:12: error: ‘m’ may be used uninitialized in this function [-Werror=maybe-uninitialized] m->chunks += chunks; ^~ The upstream Makefile does not build using '-Werror=maybe-uninitialized'. So, the problem is not seen there. Fix the problem by putting back the default case snippet. [ bp: note that there's nothing wrong with the code and other compilers do not trigger this warning - this is being done just so the RHEL compiler is happy. ] Fixes: 064855a690 ("x86/resctrl: Fix default monitoring groups reporting") Reported-by: Terry Bowman <Terry.Bowman@amd.com> Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Babu Moger <babu.moger@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/162949631908.23903.17090272726012848523.stgit@bmoger-ubuntu		2021-08-22 09:11:29 +02:00
..
core.c	x86: Fix various typos in comments	2021-03-18 15:31:53 +01:00
ctrlmondata.c	x86/resctrl: Add struct rdt_cache::arch_has_{sparse, empty}_bitmaps	2020-08-19 10:41:40 +02:00
internal.h	x86/resctrl: Fix kernel-doc in internal.h	2021-06-24 10:23:57 +02:00
Makefile	x86/resctrl: Avoid confusion over the new X86_RESCTRL config	2019-02-02 10:34:52 +01:00
monitor.c	x86/resctrl: Fix a maybe-uninitialized build warning treated as error	2021-08-22 09:11:29 +02:00
pseudo_lock.c	x86/resctrl: Fix kernel-doc in pseudo_lock.c	2021-06-24 10:21:05 +02:00
pseudo_lock_event.h
rdtgroup.c	x86: Fix various typos in comments, take #2	2021-03-21 23:50:28 +01:00