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authorH. Peter Anvin <hpa@zytor.com>2009-08-25 15:40:29 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-08-25 15:40:29 -0700
commite8a2eb47e6ca03d4a4f98f0beef73720c5dddc0c (patch)
tree31c4d7718111abddfaaa8d3fb14ab4a7e2554cd9 /tools/perf/util/header.c
parent8b5a10fc6fd02289ea03480f93382b1a99006142 (diff)
parentc62e43202e7cf50ca24bce58b255df7bf5de69d0 (diff)
downloadtalos-obmc-linux-e8a2eb47e6ca03d4a4f98f0beef73720c5dddc0c.tar.gz
talos-obmc-linux-e8a2eb47e6ca03d4a4f98f0beef73720c5dddc0c.zip
Merge commit 'origin/x86/urgent' into x86/asm
Diffstat (limited to 'tools/perf/util/header.c')
-rw-r--r--tools/perf/util/header.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 450384b3bbe5..b92a457ca32e 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -185,6 +185,8 @@ static void do_read(int fd, void *buf, size_t size)
if (ret < 0)
die("failed to read");
+ if (ret == 0)
+ die("failed to read: missing data");
size -= ret;
buf += ret;
@@ -213,9 +215,10 @@ struct perf_header *perf_header__read(int fd)
for (i = 0; i < nr_attrs; i++) {
struct perf_header_attr *attr;
- off_t tmp = lseek(fd, 0, SEEK_CUR);
+ off_t tmp;
do_read(fd, &f_attr, sizeof(f_attr));
+ tmp = lseek(fd, 0, SEEK_CUR);
attr = perf_header_attr__new(&f_attr.attr);
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