lib: set a timeout when reading crc values

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
Acked-by: Damien Lespiau <damien.lespiau@intel.com>

diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c
index 4fd2e5a..0912f5b 100644 (file)
--- a/lib/igt_debugfs.c
+++ b/lib/igt_debugfs.c
@@ -459,7 +459,10 @@ static bool read_one_crc(igt_pipe_crc_t *pipe_crc, igt_crc_t *out)
        ssize_t bytes_read;
        char buf[pipe_crc->buffer_len];
 
+       igt_set_timeout(5);
        bytes_read = read(pipe_crc->crc_fd, &buf, pipe_crc->line_len);
+       igt_set_timeout(0);
+
        igt_assert_cmpint(bytes_read, ==, pipe_crc->line_len);
        buf[bytes_read] = '\0';