/// Find missing pci_free_consistent for every pci_alloc_consistent. /// // Confidence: Moderate // Copyright: (C) 2013 Petr Strnad. GPLv2. // URL: http://coccinelle.lip6.fr/ // Keywords: pci_free_consistent, pci_alloc_consistent // Options: --no-includes --include-headers virtual report virtual org @search@ local idexpression id; expression x,y,z,e; position p1,p2; type T; @@ id = pci_alloc_consistent@p1(x,y,&z) ... when != e = id if (id == NULL || ...) { ... return ...; } ... when != pci_free_consistent(x,y,id,z) when != if (id) { ... pci_free_consistent(x,y,id,z) ... } when != if (y) { ... pci_free_consistent(x,y,id,z) ... } when != e = (T)id when exists ( return 0; | return 1; | return id; | return@p2 ...; ) @script:python depends on report@ p1 << search.p1; p2 << search.p2; @@ msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line) coccilib.report.print_report(p2[0],msg) @script:python depends on org@ p1 << search.p1; p2 << search.p2; @@ msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line) cocci.print_main(msg,p1) cocci.print_secs("",p2) back net-next plumbingsTobias Klauser
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authorPeter Zijlstra <peterz@infradead.org>2017-01-26 23:15:08 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-30 11:41:26 +0100
commit0b3589be9b98994ce3d5aeca52445d1f5627c4ba (patch)
tree85d0d9b3ac902af2c938b19a566884caf8d00323 /tools/virtio/asm/barrier.h
parenta76a82a3e38c8d3fb6499e3dfaeb0949241ab588 (diff)
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
Andres reported that MMAP2 records for anonymous memory always have their protection field 0. Turns out, someone daft put the prot/flags generation code in the file branch, leaving them unset for anonymous memory. Reported-by: Andres Freund <andres@anarazel.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Don Zickus <dzickus@redhat.com Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: acme@kernel.org Cc: anton@ozlabs.org Cc: namhyung@kernel.org Cc: stable@vger.kernel.org # v3.16+ Fixes: f972eb63b100 ("perf: Pass protection and flags bits through mmap2 interface") Link: http://lkml.kernel.org/r/20170126221508.GF6536@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/virtio/asm/barrier.h')