[alsa-devel] [PATCH] topology: open topology files with O_TRUNC

[Vinod Koul]

The topology file if exists needs to rewritten, so we need to open these
files with O_TRUNC flag as well

Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 src/topology/parser.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/topology/parser.c b/src/topology/parser.c
index 18bb9c79f3a8..ee2545aada1b 100644
--- a/src/topology/parser.c
+++ b/src/topology/parser.c
@@ -260,7 +260,7 @@ int snd_tplg_build_file(snd_tplg_t *tplg, const char *infile,
 	int err = 0;
 
 	tplg->out_fd =
-		open(outfile, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+		open(outfile, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR );
 	if (tplg->out_fd < 0) {
 		SNDERR("error: failed to open %s err %d\n",
 			outfile, -errno);
@@ -328,7 +328,7 @@ int snd_tplg_build(snd_tplg_t *tplg, const char *outfile)
 	int err;
 
 	tplg->out_fd =
-		open(outfile, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
+		open(outfile, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
 	if (tplg->out_fd < 0) {
 		SNDERR("error: failed to open %s err %d\n",
 			outfile, -errno);
-- 
1.9.1