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[PATCHv4,03/13] HSI: hsi-char: fix driver for multiport scenarios

Message ID 1398452776-28638-4-git-send-email-sre@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Sebastian Reichel April 25, 2014, 7:06 p.m. UTC 
Fix return code check of alloc_chrdev_region, which
returns 0 on success.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
---
 drivers/hsi/clients/hsi_char.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c
index e61e5f9..3073320 100644
--- a/drivers/hsi/clients/hsi_char.c
+++ b/drivers/hsi/clients/hsi_char.c
@@ -705,7 +705,7 @@  static int hsc_probe(struct device *dev)
 	if (!hsc_major) {
 		ret = alloc_chrdev_region(&hsc_dev, hsc_baseminor,
 						HSC_DEVS, devname);
-		if (ret > 0)
+		if (ret == 0)
 			hsc_major = MAJOR(hsc_dev);
 	} else {
 		hsc_dev = MKDEV(hsc_major, hsc_baseminor);