examples: set proper return codes in am7xxx-play

Set the return codes explicitly on the error path of functions not
returning an int error value.

diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
index a661758..56fd8b2 100644 (file)
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -291,6 +291,7 @@ static int am7xxx_play(const char *input_format_string,
        picture_raw = avcodec_alloc_frame();
        if (picture_raw == NULL) {
                fprintf(stderr, "cannot allocate the raw picture frame!");
        picture_raw = avcodec_alloc_frame();
        if (picture_raw == NULL) {
                fprintf(stderr, "cannot allocate the raw picture frame!");

+               ret = -ENOMEM;

                goto cleanup_output;
        }
 
                goto cleanup_output;
        }
 


@@ -298,6 +299,7 @@ static int am7xxx_play(const char *input_format_string,
        picture_scaled = avcodec_alloc_frame();
        if (picture_scaled == NULL) {
                fprintf(stderr, "cannot allocate the scaled picture!\n");
        picture_scaled = avcodec_alloc_frame();
        if (picture_scaled == NULL) {
                fprintf(stderr, "cannot allocate the scaled picture!\n");

+               ret = -ENOMEM;

                goto cleanup_picture_raw;
        }
 
                goto cleanup_picture_raw;
        }
 


@@ -308,6 +310,7 @@ static int am7xxx_play(const char *input_format_string,
        out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
        if (out_buf == NULL) {
                fprintf(stderr, "cannot allocate output data buffer!\n");
        out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
        if (out_buf == NULL) {
                fprintf(stderr, "cannot allocate output data buffer!\n");

+               ret = -ENOMEM;

                goto cleanup_picture_scaled;
        }
 
                goto cleanup_picture_scaled;
        }
 


@@ -329,6 +332,7 @@ static int am7xxx_play(const char *input_format_string,
                                            NULL, NULL, NULL);
        if (sw_scale_ctx == NULL) {
                fprintf(stderr, "cannot set up the rescaling context!\n");
                                            NULL, NULL, NULL);
        if (sw_scale_ctx == NULL) {
                fprintf(stderr, "cannot set up the rescaling context!\n");

+               ret = -EINVAL;

                goto cleanup_out_buf;
        }
 
                goto cleanup_out_buf;
        }