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scst/src/dev_handlers/scst_vdisk.c: Avoid that Coverity complains about an out-of-bounds access

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7806 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2018-11-10 17:47:38 +00:00
parent 9b4a6a8823
commit 215b44e9d4
1 changed files with 2 additions and 1 deletions
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scst/src/dev_handlers/scst_vdisk.c
+2 -1
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@@ -3857,7 +3857,8 @@ static int vdisk_usn_vpd(uint8_t *buf, struct scst_cmd *cmd,
} else {
read_lock(&vdisk_serial_rwlock);
usn_len = strlen(virt_dev->usn);
WARN_ON_ONCE(usn_len > max_len);
if (WARN_ON_ONCE(usn_len > max_len))
usn_len = max_len;
memcpy(&buf[4], virt_dev->usn, usn_len);
read_unlock(&vdisk_serial_rwlock);
}