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-rw-r--r--drivers/staging/dgrp/dgrp_tty.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/dgrp/dgrp_tty.c b/drivers/staging/dgrp/dgrp_tty.c
index 72f6fcfa9878..e125b03598d7 100644
--- a/drivers/staging/dgrp/dgrp_tty.c
+++ b/drivers/staging/dgrp/dgrp_tty.c
@@ -3173,6 +3173,9 @@ dgrp_tty_init(struct nd_struct *nd)
*/
nd->nd_serial_ttdriver = alloc_tty_driver(CHAN_MAX);
+ if (!nd->nd_serial_ttdriver)
+ return -ENOMEM;
+
sprintf(nd->nd_serial_name, "tty_dgrp_%s_", id);
nd->nd_serial_ttdriver->owner = THIS_MODULE;
@@ -3232,6 +3235,9 @@ dgrp_tty_init(struct nd_struct *nd)
}
nd->nd_callout_ttdriver = alloc_tty_driver(CHAN_MAX);
+ if (!nd->nd_callout_ttdriver)
+ return -ENOMEM;
+
sprintf(nd->nd_callout_name, "cu_dgrp_%s_", id);
nd->nd_callout_ttdriver->owner = THIS_MODULE;
@@ -3269,6 +3275,9 @@ dgrp_tty_init(struct nd_struct *nd)
nd->nd_xprint_ttdriver = alloc_tty_driver(CHAN_MAX);
+ if (!nd->nd_xprint_ttdriver)
+ return -ENOMEM;
+
sprintf(nd->nd_xprint_name, "pr_dgrp_%s_", id);
nd->nd_xprint_ttdriver->owner = THIS_MODULE;