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s390/hmcdrv: free memory on error path

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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>
This commit is contained in:
Christophe Jaillet 2015-01-19 23:02:00 +01:00 committed by Martin Schwidefsky
parent 93568d6fc5
commit 2ec504934e
1 changed files with 3 additions and 3 deletions
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6
drivers/s390/char/hmcdrv_ftp.c
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@ -200,10 +200,9 @@ int hmcdrv_ftp_probe(void)
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 @@ int hmcdrv_ftp_probe(void)
rc = 0; /* clear length (success) */
break;
} /* switch */
out:
free_page((unsigned long) ftp.buf);
return rc;
}
EXPORT_SYMBOL(hmcdrv_ftp_probe);