From e6e1752b8f5cba751a1aeadbeb7736bee3f05b7f Mon Sep 17 00:00:00 2001 From: Yan Burman Date: Sun, 30 Nov 2014 08:17:29 +0000 Subject: [PATCH] isert: Do not crash kernel if userspace has a bug Signed-off-by: Yan Burman git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5901 d57e44dd-8a1f-0410-8b47-8ef2f437770f --- iscsi-scst/kernel/isert-scst/isert_login.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/iscsi-scst/kernel/isert-scst/isert_login.c b/iscsi-scst/kernel/isert-scst/isert_login.c index cd06893e6..f697b4fd4 100644 --- a/iscsi-scst/kernel/isert-scst/isert_login.c +++ b/iscsi-scst/kernel/isert-scst/isert_login.c @@ -573,7 +573,9 @@ static ssize_t isert_read(struct file *filp, char __user *buf, size_t count, break; default: - sBUG(); + PRINT_ERROR("Invalid state in %s (%d)\n", __func__, + dev->state); + to_read = 0; } return to_read; @@ -615,7 +617,9 @@ static ssize_t isert_write(struct file *filp, const char __user *buf, break; default: - sBUG(); + PRINT_ERROR("Invalid state in %s (%d)\n", __func__, + dev->state); + to_write = 0; } return to_write;