[dm-devel] [PATCH 28/39] kpartx: Handle errors from lseek()

[Hannes Reinecke]

Found by coverity.

Signed-off-by: Hannes Reinecke <hare at suse.com>
---
 kpartx/gpt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kpartx/gpt.c b/kpartx/gpt.c
index 5a54970..3dac605 100644
--- a/kpartx/gpt.c
+++ b/kpartx/gpt.c
@@ -206,9 +206,10 @@ read_lba(int fd, uint64_t lba, void *buffer, size_t bytes)
 	int sector_size = get_sector_size(fd);
 	off_t offset = lba * sector_size;
 	uint64_t lastlba;
-        ssize_t bytesread;
+	ssize_t bytesread;
 
-	lseek(fd, offset, SEEK_SET);
+	if (lseek(fd, offset, SEEK_SET) < 0)
+		return 0;
 	bytesread = read(fd, buffer, bytes);
 
 	lastlba = last_lba(fd);
-- 
2.6.6