[PATCH 11/18] staging/lustre/obdclass: Fix uninitialized variables

From: Oleg Drokin
Date: Sun Jun 22 2014 - 21:35:08 EST


From: Dmitry Eremin <dmitry.eremin@xxxxxxxxx>

'sd.page_link' is used uninitialized in this function.
'ss.page_link' is used uninitialized in this function.
'sl.page_link' is used uninitialized in this function.

Signed-off-by: Dmitry Eremin <dmitry.eremin@xxxxxxxxx>
Reviewed-on: http://review.whamcloud.com/10613
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4629
Reviewed-by: James Simmons <uja.ornl@xxxxxxxxx>
Reviewed-by: John L. Hammond <john.hammond@xxxxxxxxx>
Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx>
Signed-off-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
---
drivers/staging/lustre/lustre/obdclass/capa.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/staging/lustre/lustre/obdclass/capa.c b/drivers/staging/lustre/lustre/obdclass/capa.c
index be1c613..cf1c497 100644
--- a/drivers/staging/lustre/lustre/obdclass/capa.c
+++ b/drivers/staging/lustre/lustre/obdclass/capa.c
@@ -279,6 +279,7 @@ int capa_hmac(__u8 *hmac, struct lustre_capa *capa, __u8 *key)
}
keylen = alg->ha_keylen;

+ sg_init_table(&sl, 1);
sg_set_page(&sl, virt_to_page(capa),
offsetof(struct lustre_capa, lc_hmac),
(unsigned long)(capa) % PAGE_CACHE_SIZE);
@@ -320,9 +321,11 @@ int capa_encrypt_id(__u32 *d, __u32 *s, __u8 *key, int keylen)
GOTO(out, rc);
}

+ sg_init_table(&sd, 1);
sg_set_page(&sd, virt_to_page(d), 16,
(unsigned long)(d) % PAGE_CACHE_SIZE);

+ sg_init_table(&ss, 1);
sg_set_page(&ss, virt_to_page(s), 16,
(unsigned long)(s) % PAGE_CACHE_SIZE);
desc.tfm = tfm;
@@ -370,9 +373,11 @@ int capa_decrypt_id(__u32 *d, __u32 *s, __u8 *key, int keylen)
GOTO(out, rc);
}

+ sg_init_table(&sd, 1);
sg_set_page(&sd, virt_to_page(d), 16,
(unsigned long)(d) % PAGE_CACHE_SIZE);

+ sg_init_table(&ss, 1);
sg_set_page(&ss, virt_to_page(s), 16,
(unsigned long)(s) % PAGE_CACHE_SIZE);

--
1.9.0

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