libblktap: Remove trailing null byte in xs_printf

xs_printf writes the terminating null byte of the passed string to
Xenstore. When reading, the null byte is returned in the following
form which confuses tools:

sector-size = "512\000"

This patch removes the null byte from the data to write.

Signed-off-by: Kevin Wolf <kwolf@suse.de>

diff --git a/tools/blktap/lib/xs_api.c b/tools/blktap/lib/xs_api.c
index 370a44aa4d69ae0ce7f93ab66afa67578c30761c..93d1cb91600a399e92f023d2f6b9c86d80fed7ac 100644 (file)
--- a/tools/blktap/lib/xs_api.c
+++ b/tools/blktap/lib/xs_api.c
@@ -132,7 +132,7 @@ int xs_printf(struct xs_handle *h, const char *dir, const char *node,
                return ENOMEM;
        }
 
-       ret = xs_write(h, XBT_NULL, path, buf, strlen(buf)+1);
+       ret = xs_write(h, XBT_NULL, path, buf, strlen(buf));
        
        free(buf);
        free(path);