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authorFelix Fietkau <nbd@nbd.name>2021-05-25 19:07:58 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-05-26 16:49:28 +0300
commit75ea44e356b5de8c817f821c9dd68ae329e82add (patch)
tree76651eb16926c90a6a61f9444f4130860ae540b8 /tools/perf/perf.c
parenta050a6d2b7e80ca52b2f4141eaf3420d201b72b3 (diff)
downloadlinux-75ea44e356b5de8c817f821c9dd68ae329e82add.tar.xz
perf jevents: Fix getting maximum number of fds
On some hosts, rlim.rlim_max can be returned as RLIM_INFINITY. By casting it to int, it is interpreted as -1, which will cause get_maxfds to return 0, causing "Invalid argument" errors in nftw() calls. Fix this by casting the second argument of min() to rlim_t instead. Fixes: 80eeb67fe577 ("perf jevents: Program to convert JSON file") Signed-off-by: Felix Fietkau <nbd@nbd.name> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Link: http://lore.kernel.org/lkml/20210525160758.97829-1-nbd@nbd.name Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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