fix: close file when failed to open gzip (#7164)

testwill · web-flow · commit 2a577a7bae37 · 2024-07-15T13:05:42.000Z
Signed-off-by: guoguangwu &lt;guoguangwug@gmail.com&gt;
diff --git a/pkg/fanal/image/docker.go b/pkg/fanal/image/docker.go
@@ -35,6 +35,7 @@ func fileOpener(fileName string) func() (io.ReadCloser, error) {
 		if utils.IsGzip(br) {
 			r, err = gzip.NewReader(br)
 			if err != nil {
+				_ = f.Close()
 				return nil, xerrors.Errorf("failed to open gzip: %w", err)
 			}
 		}

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,7 @@ func fileOpener(fileName string) func() (io.ReadCloser, error) {`
`35`	`35`	`if utils.IsGzip(br) {`
`36`	`36`	`r, err = gzip.NewReader(br)`
`37`	`37`	`if err != nil {`
	`38`	`+ _ = f.Close()`
`38`	`39`	`return nil, xerrors.Errorf("failed to open gzip: %w", err)`
`39`	`40`	`}`
`40`	`41`	`}`