s390/hmcdrv: free memory on error path
Free allocated page in case of error returned by hmcdrv_ftp_startup.
[heiko.carstens@de.ibm.com]: slightly changed Christophe's patch
Signed-off-by: Christophe Jaillet <christophe.jaillet@wanadoo.fr>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/char/hmcdrv_ftp.c b/drivers/s390/char/hmcdrv_ftp.c
index 4bd6332..d4b61d9 100644
--- a/drivers/s390/char/hmcdrv_ftp.c
+++ b/drivers/s390/char/hmcdrv_ftp.c
@@ -200,10 +200,9 @@
rc = hmcdrv_ftp_startup();
if (rc)
- return rc;
+ goto out;
rc = hmcdrv_ftp_do(&ftp);
- free_page((unsigned long) ftp.buf);
hmcdrv_ftp_shutdown();
switch (rc) {
@@ -216,7 +215,8 @@
rc = 0; /* clear length (success) */
break;
} /* switch */
-
+out:
+ free_page((unsigned long) ftp.buf);
return rc;
}
EXPORT_SYMBOL(hmcdrv_ftp_probe);