From 7e2a1f9402b088c5bf62ceb157e7ea6dfe8196f0 Mon Sep 17 00:00:00 2001 From: Wei Liu Date: Fri, 29 Apr 2016 16:11:16 +0100 Subject: [PATCH] blktap2: initialise buf to NULL in img2qcow.c:main MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Gcc complains: qcow2raw.c: In function ‘main’: qcow2raw.c:387:17: error: ‘buf’ may be used uninitialized in this function [-Werror=maybe-uninitialized] treq.buf = buf; ^ But at the point of that assignment, buf is a valid buffer allocated by posix_memalign and filled in by read. Signed-off-by: Wei Liu Reviewed-by: Doug Goldstein Release-acked-by: Wei Liu --- tools/blktap2/drivers/img2qcow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/blktap2/drivers/img2qcow.c b/tools/blktap2/drivers/img2qcow.c index 57b931e551..7376382dcf 100644 --- a/tools/blktap2/drivers/img2qcow.c +++ b/tools/blktap2/drivers/img2qcow.c @@ -166,7 +166,7 @@ int main(int argc, const char *argv[]) int ret = -1, fd, len, err; struct timeval timeout; uint64_t i; - char *buf; + char *buf = NULL; td_request_t treq; td_disk_info_t info; td_vbd_request_t* vreq; -- 2.30.2