On 2/16/20 10:23 PM, Ján Tomko wrote:
On Sat, Feb 15, 2020 at 05:07:15PM +0100, Philippe Mathieu-Daudé wrote:
Fix warning reported by Clang static code analyzer:
CC tools/virtiofsd/passthrough_ll.o
tools/virtiofsd/passthrough_ll.c:925:9: warning: Value stored to
'newfd' is never read
newfd = -1;
^ ~~
tools/virtiofsd/passthrough_ll.c:942:9: warning: Value stored to
'newfd' is never read
newfd = -1;
^ ~~
Fixes: 7c6b66027
Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
---
tools/virtiofsd/passthrough_ll.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/tools/virtiofsd/passthrough_ll.c
b/tools/virtiofsd/passthrough_ll.c
index e9e71d5fc2..b38e0e4d84 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -922,7 +922,6 @@ static int lo_do_lookup(fuse_req_t req, fuse_ino_t
parent, const char *name,
inode = lo_find(lo, &e->attr);
if (inode) {
close(newfd);
- newfd = -1;
} else {
inode = calloc(1, sizeof(struct lo_inode));
if (!inode) {
@@ -938,8 +937,7 @@ static int lo_do_lookup(fuse_req_t req, fuse_ino_t
parent, const char *name,
g_atomic_int_set(&inode->refcount, 2);
inode->nlookup = 1;
- inode->fd = newfd;
- newfd = -1;
+ inode->fd = -1;
The functional equivalent is:
inode->fd = newfd;
newfd cannot contain -1 here, as checked a few lines above:
newfd = openat(dir->fd, name, O_PATH | O_NOFOLLOW);
if (newfd == -1) {
goto out_err;
}
Correct. I'll respin, thanks for the review!
Jano
inode->key.ino = e->attr.st_ino;
inode->key.dev = e->attr.st_dev;
pthread_mutex_init(&inode->plock_mutex, NULL);
--
2.21.1