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utags: add one null byte in the end of payload

Browse source 
This is propagation of the patch submitted under (CR)
into DLKM utags driver

Change-Id: Ia0321e9560f0afddd19f31326008da0714304afa
Signed-off-by: Konstantin Makariev <hcv867@motorola.com>
Reviewed-on: https://gerrit.mot.com/1243363
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Master Yoda
Reviewed-by: Konstantin Makariev <kmakariev@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Konstantin Makariev 2018-09-18 11:18:45 -05:00 • committed by Konstantin Makariev
commit d5a8697f1c
1 changed files with 3 additions and 3 deletions
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6
drivers/misc/utag/utags.c
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@ -770,7 +770,7 @@ static struct utag *thaw_tags(size_t block_size, void *buf)
}
if (cur->size != 0) {
cur->payload = kzalloc(cur->size, GFP_KERNEL);
cur->payload = kzalloc(cur->size + 1, GFP_KERNEL);
if (!cur->payload)
goto err_free;
memcpy(cur->payload, frozen->payload, cur->size);
@ -1061,7 +1061,7 @@ static int check_utag_range(char *tag, struct utag *head, char *data,
}
/* make local copy of .range payload to tokenize */
buf = ptr = kzalloc(range->size, GFP_KERNEL);
buf = ptr = kzalloc(range->size + 1, GFP_KERNEL);
if (!buf)
return -ENOMEM;
@ -1106,7 +1106,7 @@ static int replace_first_utag(struct utag *head, char *name,
return -EIO;
}
utag->payload = kzalloc(size, GFP_KERNEL);
utag->payload = kzalloc(size + 1, GFP_KERNEL);
if (!utag->payload) {
utag->payload = oldpayload;
return -EIO;