diff mbox series

[libgpiod] gpioinfo: don't crash after EACCESS

Message ID 20220420102653.3477176-1-john@metanate.com
State New
Headers show
Series [libgpiod] gpioinfo: don't crash after EACCESS | expand

Commit Message

John Keeping April 20, 2022, 10:26 a.m. UTC 
If chip_open_by_name() fails then EACCESS is not treated as a fatal
error, but falling through calls list_lines(NULL) which leads to a
segfault.  Move on to the next chip in this instance.

Signed-off-by: John Keeping <john@metanate.com>
---
 tools/gpioinfo.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/tools/gpioinfo.c b/tools/gpioinfo.c
index d50af45..542a881 100644
--- a/tools/gpioinfo.c
+++ b/tools/gpioinfo.c
@@ -226,6 +226,9 @@  int main(int argc, char **argv)
 				else
 					die_perror("unable to open %s",
 						   entries[i]->d_name);
+
+				free(entries[i]);
+				continue;
 			}
 
 			list_lines(chip);