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author | Karel Zak | 2012-06-21 11:58:39 +0200 |
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committer | Karel Zak | 2012-06-21 11:58:39 +0200 |
commit | 9c53a49c44f77022f10301cf4659a5629156a2e8 (patch) | |
tree | 4167a074add0f97b37e7e647031424a9f2076566 /misc-utils/lsblk.c | |
parent | tests: add lscpu test for box with 64 CPUs (diff) | |
download | kernel-qcow2-util-linux-9c53a49c44f77022f10301cf4659a5629156a2e8.tar.gz kernel-qcow2-util-linux-9c53a49c44f77022f10301cf4659a5629156a2e8.tar.xz kernel-qcow2-util-linux-9c53a49c44f77022f10301cf4659a5629156a2e8.zip |
lsblk: check ioctl result [coverity scan]
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/lsblk.c')
-rw-r--r-- | misc-utils/lsblk.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c index fcc1acffa..53b59d225 100644 --- a/misc-utils/lsblk.c +++ b/misc-utils/lsblk.c @@ -470,7 +470,8 @@ static int is_readonly_device(struct blkdev_cxt *cxt) /* fallback if "ro" attribute does not exist */ fd = open(cxt->filename, O_RDONLY); if (fd != -1) { - ioctl(fd, BLKROGET, &ro); + if (ioctl(fd, BLKROGET, &ro) != 0) + ro = 0; close(fd); } return ro; |