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authorOtavio Salvador <otavio@ossystems.com.br>2020-05-20 08:43:03 -0300
committerGitHub <noreply@github.com>2020-05-20 08:43:03 -0300
commit1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch)
treedf6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/tty/serial/mxs-auart.c
parent0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff)
parent2ae782ca839e0ee07de37122ddea362adff2e975 (diff)
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
-rw-r--r--drivers/tty/serial/mxs-auart.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 1d9d778828ba..515bf18c8294 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1635,8 +1635,9 @@ static int mxs_auart_request_gpio_irq(struct mxs_auart_port *s)
/*
* If something went wrong, rollback.
+ * Be careful: i may be unsigned.
*/
- while (err && (--i >= 0))
+ while (err && (i-- > 0))
if (irq[i] >= 0)
free_irq(irq[i], s);