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lpfc: fix missing zero termination in debugfs
If you feed 32 bytes in then the kstrtoull() doesn't receive a terminated string so will run off the end. Signed-off-by: Alan Cox <alan@linux.intel.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -1054,11 +1054,11 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf,
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{
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struct dentry *dent = file->f_path.dentry;
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struct lpfc_hba *phba = file->private_data;
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char dstbuf[32];
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char dstbuf[33];
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uint64_t tmp = 0;
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int size;
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memset(dstbuf, 0, 32);
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memset(dstbuf, 0, 33);
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size = (nbytes < 32) ? nbytes : 32;
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if (copy_from_user(dstbuf, buf, size))
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return 0;
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