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[for-4.7,6/6] blktap2: initialise buf in qcow2raw.c:main

Message ID 1461942677-14564-7-git-send-email-wei.liu2@citrix.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wei Liu April 29, 2016, 3:11 p.m. UTC 
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 buf is a valid buffer allocated by posix_memalign at that point.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
 tools/blktap2/drivers/qcow2raw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/tools/blktap2/drivers/qcow2raw.c b/tools/blktap2/drivers/qcow2raw.c
index a2e417d..5ad7305 100644
--- a/tools/blktap2/drivers/qcow2raw.c
+++ b/tools/blktap2/drivers/qcow2raw.c
@@ -202,7 +202,7 @@  int main(int argc, const char *argv[])
 	uint64_t size;
 	struct timeval timeout;
 	uint64_t i;
-	char *buf;
+	char *buf = NULL;
 	struct stat finfo;
 	td_request_t treq;
 	td_vbd_request_t* vreq;