fb_open returns a pointer and doesn't populate errno, which will results in a stale errno being evaluated by perror() on failure. Fix this by populating errno manually at call sites. While at it, correct the typo in the prefix passed to perror(). Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- commands/fbtest.c | 5 +++-- commands/splash.c | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/commands/fbtest.c b/commands/fbtest.c index e5dd8ba7fabf..2c589f77d3b8 100644 --- a/commands/fbtest.c +++ b/commands/fbtest.c @@ -271,8 +271,9 @@ static int do_fbtest(int argc, char *argv[]) sc = fb_open(fbdev); if (IS_ERR(sc)) { - perror("fd_open"); - return PTR_ERR(sc); + errno = PTR_ERR(sc); + perror("fb_open"); + return errno; } if (!pattern_name) { diff --git a/commands/splash.c b/commands/splash.c index 2b70b296837e..75b3ee3fadaf 100644 --- a/commands/splash.c +++ b/commands/splash.c @@ -54,8 +54,9 @@ static int do_splash(int argc, char *argv[]) sc = fb_open(fbdev); if (IS_ERR(sc)) { - perror("fd_open"); - return PTR_ERR(sc); + errno = PTR_ERR(sc); + perror("fb_open"); + return errno; } buf = gui_screen_render_buffer(sc); -- 2.20.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox